209335808

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 120

約数和(自身を含む): 478927680

約数和(自身を除く): 269591872

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 109, 121, 124, 128, 176, 218, 242, 248, 256, 341, 352, 436, 484, 496, 512, 682, 704, 872, 968, 992, 1199, 1364, 1408, 1744, 1936, 1984, 2398, 2728, 2816, 3379, 3488, 3751, 3872, 3968, 4796, 5456, 5632, 6758, 6976, 7502, 7744, 7936, 9592, 10912, 13189, 13516, 13952, 15004, 15488, 15872, 19184, 21824, 26378, 27032, 27904, 30008, 30976, 37169, 38368, 43648, 52756, 54064, 55808, 60016, 61952, 74338, 76736, 87296, 105512, 108128, 120032, 148676, 153472, 174592, 211024, 216256, 240064, 297352, 306944, 408859, 422048, 432512, 480128, 594704, 613888, 817718, 844096, 865024, 960256, 1189408, 1635436, 1688192, 1730048, 1920512, 2378816, 3270872, 3376384, 4757632, 6541744, 6752768, 9515264, 13083488, 19030528, 26166976, 52333952, 104667904, 209335808]

約数ペア:

[(1, 209335808), (2, 104667904), (4, 52333952), (8, 26166976), (11, 19030528), (16, 13083488), (22, 9515264), (31, 6752768), (32, 6541744), (44, 4757632), (62, 3376384), (64, 3270872), (88, 2378816), (109, 1920512), (121, 1730048), (124, 1688192), (128, 1635436), (176, 1189408), (218, 960256), (242, 865024), (248, 844096), (256, 817718), (341, 613888), (352, 594704), (436, 480128), (484, 432512), (496, 422048), (512, 408859), (682, 306944), (704, 297352), (872, 240064), (968, 216256), (992, 211024), (1199, 174592), (1364, 153472), (1408, 148676), (1744, 120032), (1936, 108128), (1984, 105512), (2398, 87296), (2728, 76736), (2816, 74338), (3379, 61952), (3488, 60016), (3751, 55808), (3872, 54064), (3968, 52756), (4796, 43648), (5456, 38368), (5632, 37169), (6758, 30976), (6976, 30008), (7502, 27904), (7744, 27032), (7936, 26378), (9592, 21824), (10912, 19184), (13189, 15872), (13516, 15488), (13952, 15004)]