890256400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:534

約数の個数: 240

約数和(自身を含む): 2568407040

約数和(自身を除く): 1678150640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 23, 25, 38, 40, 44, 46, 50, 55, 76, 80, 88, 92, 95, 100, 110, 115, 152, 176, 184, 190, 200, 209, 220, 230, 253, 275, 304, 368, 380, 400, 418, 437, 440, 460, 463, 475, 506, 550, 575, 760, 836, 874, 880, 920, 926, 950, 1012, 1045, 1100, 1150, 1265, 1520, 1672, 1748, 1840, 1852, 1900, 2024, 2090, 2185, 2200, 2300, 2315, 2530, 3344, 3496, 3704, 3800, 4048, 4180, 4370, 4400, 4600, 4630, 4807, 5060, 5093, 5225, 6325, 6992, 7408, 7600, 8360, 8740, 8797, 9200, 9260, 9614, 10120, 10186, 10450, 10649, 10925, 11575, 12650, 16720, 17480, 17594, 18520, 19228, 20240, 20372, 20900, 21298, 21850, 23150, 24035, 25300, 25465, 34960, 35188, 37040, 38456, 40744, 41800, 42596, 43700, 43985, 46300, 48070, 50600, 50930, 53245, 70376, 76912, 81488, 83600, 85192, 87400, 87970, 92600, 96140, 96767, 101200, 101860, 106490, 117139, 120175, 127325, 140752, 170384, 174800, 175940, 185200, 192280, 193534, 202331, 203720, 212980, 219925, 234278, 240350, 254650, 266225, 351880, 384560, 387068, 404662, 407440, 425960, 439850, 468556, 480700, 483835, 509300, 532450, 585695, 703760, 774136, 809324, 851920, 879700, 937112, 961400, 967670, 1011655, 1018600, 1064900, 1171390, 1548272, 1618648, 1759400, 1874224, 1922800, 1935340, 2023310, 2037200, 2129800, 2225641, 2342780, 2419175, 2928475, 3237296, 3518800, 3870680, 4046620, 4259600, 4451282, 4685560, 4838350, 5058275, 5856950, 7741360, 8093240, 8902564, 9371120, 9676700, 10116550, 11128205, 11713900, 16186480, 17805128, 19353400, 20233100, 22256410, 23427800, 35610256, 38706800, 40466200, 44512820, 46855600, 55641025, 80932400, 89025640, 111282050, 178051280, 222564100, 445128200, 890256400]

約数ペア:

[(1, 890256400), (2, 445128200), (4, 222564100), (5, 178051280), (8, 111282050), (10, 89025640), (11, 80932400), (16, 55641025), (19, 46855600), (20, 44512820), (22, 40466200), (23, 38706800), (25, 35610256), (38, 23427800), (40, 22256410), (44, 20233100), (46, 19353400), (50, 17805128), (55, 16186480), (76, 11713900), (80, 11128205), (88, 10116550), (92, 9676700), (95, 9371120), (100, 8902564), (110, 8093240), (115, 7741360), (152, 5856950), (176, 5058275), (184, 4838350), (190, 4685560), (200, 4451282), (209, 4259600), (220, 4046620), (230, 3870680), (253, 3518800), (275, 3237296), (304, 2928475), (368, 2419175), (380, 2342780), (400, 2225641), (418, 2129800), (437, 2037200), (440, 2023310), (460, 1935340), (463, 1922800), (475, 1874224), (506, 1759400), (550, 1618648), (575, 1548272), (760, 1171390), (836, 1064900), (874, 1018600), (880, 1011655), (920, 967670), (926, 961400), (950, 937112), (1012, 879700), (1045, 851920), (1100, 809324), (1150, 774136), (1265, 703760), (1520, 585695), (1672, 532450), (1748, 509300), (1840, 483835), (1852, 480700), (1900, 468556), (2024, 439850), (2090, 425960), (2185, 407440), (2200, 404662), (2300, 387068), (2315, 384560), (2530, 351880), (3344, 266225), (3496, 254650), (3704, 240350), (3800, 234278), (4048, 219925), (4180, 212980), (4370, 203720), (4400, 202331), (4600, 193534), (4630, 192280), (4807, 185200), (5060, 175940), (5093, 174800), (5225, 170384), (6325, 140752), (6992, 127325), (7408, 120175), (7600, 117139), (8360, 106490), (8740, 101860), (8797, 101200), (9200, 96767), (9260, 96140), (9614, 92600), (10120, 87970), (10186, 87400), (10450, 85192), (10649, 83600), (10925, 81488), (11575, 76912), (12650, 70376), (16720, 53245), (17480, 50930), (17594, 50600), (18520, 48070), (19228, 46300), (20240, 43985), (20372, 43700), (20900, 42596), (21298, 41800), (21850, 40744), (23150, 38456), (24035, 37040), (25300, 35188), (25465, 34960)]