214804977880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1\times {\mathrm{929}}^1$

素因数の和:1685

約数の個数: 128

約数和(自身を含む): 495317851200

約数和(自身を除く): 280512873320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 193, 244, 305, 386, 488, 491, 610, 772, 929, 965, 982, 1220, 1544, 1858, 1930, 1964, 2440, 2455, 3716, 3860, 3928, 4645, 4910, 7432, 7720, 9290, 9820, 11773, 18580, 19640, 23546, 29951, 37160, 47092, 56669, 58865, 59902, 94184, 94763, 113338, 117730, 119804, 149755, 179297, 189526, 226676, 235460, 239608, 283345, 299510, 358594, 379052, 453352, 456139, 470920, 473815, 566690, 599020, 717188, 758104, 896485, 912278, 947630, 1133380, 1198040, 1434376, 1792970, 1824556, 1895260, 2266760, 2280695, 3585940, 3649112, 3790520, 4561390, 5780543, 7171880, 9122780, 10937117, 11561086, 18245560, 21874234, 23122172, 27824479, 28902715, 43748468, 46244344, 54685585, 55648958, 57805430, 87496936, 88034827, 109371170, 111297916, 115610860, 139122395, 176069654, 218742340, 222595832, 231221720, 278244790, 352139308, 437484680, 440174135, 556489580, 704278616, 880348270, 1112979160, 1760696540, 3521393080, 5370124447, 10740248894, 21480497788, 26850622235, 42960995576, 53701244470, 107402488940, 214804977880]

約数ペア:

[(1, 214804977880), (2, 107402488940), (4, 53701244470), (5, 42960995576), (8, 26850622235), (10, 21480497788), (20, 10740248894), (40, 5370124447), (61, 3521393080), (122, 1760696540), (193, 1112979160), (244, 880348270), (305, 704278616), (386, 556489580), (488, 440174135), (491, 437484680), (610, 352139308), (772, 278244790), (929, 231221720), (965, 222595832), (982, 218742340), (1220, 176069654), (1544, 139122395), (1858, 115610860), (1930, 111297916), (1964, 109371170), (2440, 88034827), (2455, 87496936), (3716, 57805430), (3860, 55648958), (3928, 54685585), (4645, 46244344), (4910, 43748468), (7432, 28902715), (7720, 27824479), (9290, 23122172), (9820, 21874234), (11773, 18245560), (18580, 11561086), (19640, 10937117), (23546, 9122780), (29951, 7171880), (37160, 5780543), (47092, 4561390), (56669, 3790520), (58865, 3649112), (59902, 3585940), (94184, 2280695), (94763, 2266760), (113338, 1895260), (117730, 1824556), (119804, 1792970), (149755, 1434376), (179297, 1198040), (189526, 1133380), (226676, 947630), (235460, 912278), (239608, 896485), (283345, 758104), (299510, 717188), (358594, 599020), (379052, 566690), (453352, 473815), (456139, 470920)]