290477440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^4\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 160

約数和(自身を含む): 788500800

約数和(自身を除く): 498023360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 128, 155, 160, 176, 220, 242, 248, 310, 320, 341, 352, 440, 484, 496, 605, 620, 640, 682, 704, 880, 968, 992, 1210, 1240, 1331, 1364, 1408, 1705, 1760, 1936, 1984, 2420, 2480, 2662, 2728, 3410, 3520, 3751, 3872, 3968, 4840, 4960, 5324, 5456, 6655, 6820, 7040, 7502, 7744, 9680, 9920, 10648, 10912, 13310, 13640, 14641, 15004, 15488, 18755, 19360, 19840, 21296, 21824, 26620, 27280, 29282, 30008, 37510, 38720, 41261, 42592, 43648, 53240, 54560, 58564, 60016, 73205, 75020, 77440, 82522, 85184, 106480, 109120, 117128, 120032, 146410, 150040, 165044, 170368, 206305, 212960, 218240, 234256, 240064, 292820, 300080, 330088, 412610, 425920, 453871, 468512, 480128, 585640, 600160, 660176, 825220, 851840, 907742, 937024, 1171280, 1200320, 1320352, 1650440, 1815484, 1874048, 2269355, 2342560, 2400640, 2640704, 3300880, 3630968, 4538710, 4685120, 5281408, 6601760, 7261936, 9077420, 9370240, 13203520, 14523872, 18154840, 26407040, 29047744, 36309680, 58095488, 72619360, 145238720, 290477440]

約数ペア:

[(1, 290477440), (2, 145238720), (4, 72619360), (5, 58095488), (8, 36309680), (10, 29047744), (11, 26407040), (16, 18154840), (20, 14523872), (22, 13203520), (31, 9370240), (32, 9077420), (40, 7261936), (44, 6601760), (55, 5281408), (62, 4685120), (64, 4538710), (80, 3630968), (88, 3300880), (110, 2640704), (121, 2400640), (124, 2342560), (128, 2269355), (155, 1874048), (160, 1815484), (176, 1650440), (220, 1320352), (242, 1200320), (248, 1171280), (310, 937024), (320, 907742), (341, 851840), (352, 825220), (440, 660176), (484, 600160), (496, 585640), (605, 480128), (620, 468512), (640, 453871), (682, 425920), (704, 412610), (880, 330088), (968, 300080), (992, 292820), (1210, 240064), (1240, 234256), (1331, 218240), (1364, 212960), (1408, 206305), (1705, 170368), (1760, 165044), (1936, 150040), (1984, 146410), (2420, 120032), (2480, 117128), (2662, 109120), (2728, 106480), (3410, 85184), (3520, 82522), (3751, 77440), (3872, 75020), (3968, 73205), (4840, 60016), (4960, 58564), (5324, 54560), (5456, 53240), (6655, 43648), (6820, 42592), (7040, 41261), (7502, 38720), (7744, 37510), (9680, 30008), (9920, 29282), (10648, 27280), (10912, 26620), (13310, 21824), (13640, 21296), (14641, 19840), (15004, 19360), (15488, 18755)]