1779352900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 4304238400

約数和(自身を除く): 2524885500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 139, 172, 215, 229, 260, 278, 325, 430, 458, 556, 559, 650, 695, 860, 916, 1075, 1118, 1145, 1300, 1390, 1807, 2150, 2236, 2290, 2780, 2795, 2977, 3475, 3614, 4300, 4580, 5590, 5725, 5954, 5977, 6950, 7228, 9035, 9847, 11180, 11450, 11908, 11954, 13900, 13975, 14885, 18070, 19694, 22900, 23908, 27950, 29770, 29885, 31831, 36140, 39388, 45175, 49235, 55900, 59540, 59770, 63662, 74425, 77701, 90350, 98470, 119540, 127324, 128011, 148850, 149425, 155402, 159155, 180700, 196940, 246175, 256022, 297700, 298850, 310804, 318310, 388505, 413803, 492350, 512044, 597700, 636620, 640055, 777010, 795775, 827606, 984700, 1280110, 1368733, 1554020, 1591550, 1655212, 1942525, 2069015, 2560220, 2737466, 3183100, 3200275, 3885050, 4138030, 5474932, 6400550, 6843665, 7770100, 8276060, 10345075, 12801100, 13687330, 17793529, 20690150, 27374660, 34218325, 35587058, 41380300, 68436650, 71174116, 88967645, 136873300, 177935290, 355870580, 444838225, 889676450, 1779352900]

約数ペア:

[(1, 1779352900), (2, 889676450), (4, 444838225), (5, 355870580), (10, 177935290), (13, 136873300), (20, 88967645), (25, 71174116), (26, 68436650), (43, 41380300), (50, 35587058), (52, 34218325), (65, 27374660), (86, 20690150), (100, 17793529), (130, 13687330), (139, 12801100), (172, 10345075), (215, 8276060), (229, 7770100), (260, 6843665), (278, 6400550), (325, 5474932), (430, 4138030), (458, 3885050), (556, 3200275), (559, 3183100), (650, 2737466), (695, 2560220), (860, 2069015), (916, 1942525), (1075, 1655212), (1118, 1591550), (1145, 1554020), (1300, 1368733), (1390, 1280110), (1807, 984700), (2150, 827606), (2236, 795775), (2290, 777010), (2780, 640055), (2795, 636620), (2977, 597700), (3475, 512044), (3614, 492350), (4300, 413803), (4580, 388505), (5590, 318310), (5725, 310804), (5954, 298850), (5977, 297700), (6950, 256022), (7228, 246175), (9035, 196940), (9847, 180700), (11180, 159155), (11450, 155402), (11908, 149425), (11954, 148850), (13900, 128011), (13975, 127324), (14885, 119540), (18070, 98470), (19694, 90350), (22900, 77701), (23908, 74425), (27950, 63662), (29770, 59770), (29885, 59540), (31831, 55900), (36140, 49235), (39388, 45175)]