259656488

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 635040000

約数和(自身を除く): 375383512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 49, 52, 56, 58, 91, 98, 104, 116, 182, 196, 203, 232, 251, 343, 364, 377, 392, 406, 502, 637, 686, 728, 754, 812, 1004, 1274, 1372, 1421, 1508, 1624, 1757, 2008, 2548, 2639, 2744, 2842, 3016, 3263, 3514, 4459, 5096, 5278, 5684, 6526, 7028, 7279, 8918, 9947, 10556, 11368, 12299, 13052, 14056, 14558, 17836, 18473, 19894, 21112, 22841, 24598, 26104, 29116, 35672, 36946, 39788, 45682, 49196, 50953, 58232, 73892, 79576, 86093, 91364, 94627, 98392, 101906, 129311, 147784, 159887, 172186, 182728, 189254, 203812, 258622, 319774, 344372, 356671, 378508, 407624, 517244, 639548, 662389, 688744, 713342, 757016, 1034488, 1119209, 1279096, 1324778, 1426684, 2238418, 2496697, 2649556, 2853368, 4476836, 4636723, 4993394, 5299112, 8953672, 9273446, 9986788, 18546892, 19973576, 32457061, 37093784, 64914122, 129828244, 259656488]

約数ペア:

[(1, 259656488), (2, 129828244), (4, 64914122), (7, 37093784), (8, 32457061), (13, 19973576), (14, 18546892), (26, 9986788), (28, 9273446), (29, 8953672), (49, 5299112), (52, 4993394), (56, 4636723), (58, 4476836), (91, 2853368), (98, 2649556), (104, 2496697), (116, 2238418), (182, 1426684), (196, 1324778), (203, 1279096), (232, 1119209), (251, 1034488), (343, 757016), (364, 713342), (377, 688744), (392, 662389), (406, 639548), (502, 517244), (637, 407624), (686, 378508), (728, 356671), (754, 344372), (812, 319774), (1004, 258622), (1274, 203812), (1372, 189254), (1421, 182728), (1508, 172186), (1624, 159887), (1757, 147784), (2008, 129311), (2548, 101906), (2639, 98392), (2744, 94627), (2842, 91364), (3016, 86093), (3263, 79576), (3514, 73892), (4459, 58232), (5096, 50953), (5278, 49196), (5684, 45682), (6526, 39788), (7028, 36946), (7279, 35672), (8918, 29116), (9947, 26104), (10556, 24598), (11368, 22841), (12299, 21112), (13052, 19894), (14056, 18473), (14558, 17836)]