258348320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4999}}^1$

素因数の和:5050

約数の個数: 96

約数和(自身を含む): 680400000

約数和(自身を除く): 422051680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 2720, 3040, 3230, 4999, 5168, 6460, 9998, 10336, 12920, 19996, 24995, 25840, 39992, 49990, 51680, 79984, 84983, 94981, 99980, 159968, 169966, 189962, 199960, 339932, 379924, 399920, 424915, 474905, 679864, 759848, 799840, 849830, 949810, 1359728, 1519696, 1614677, 1699660, 1899620, 2719456, 3039392, 3229354, 3399320, 3799240, 6458708, 6798640, 7598480, 8073385, 12917416, 13597280, 15196960, 16146770, 25834832, 32293540, 51669664, 64587080, 129174160, 258348320]

約数ペア:

[(1, 258348320), (2, 129174160), (4, 64587080), (5, 51669664), (8, 32293540), (10, 25834832), (16, 16146770), (17, 15196960), (19, 13597280), (20, 12917416), (32, 8073385), (34, 7598480), (38, 6798640), (40, 6458708), (68, 3799240), (76, 3399320), (80, 3229354), (85, 3039392), (95, 2719456), (136, 1899620), (152, 1699660), (160, 1614677), (170, 1519696), (190, 1359728), (272, 949810), (304, 849830), (323, 799840), (340, 759848), (380, 679864), (544, 474905), (608, 424915), (646, 399920), (680, 379924), (760, 339932), (1292, 199960), (1360, 189962), (1520, 169966), (1615, 159968), (2584, 99980), (2720, 94981), (3040, 84983), (3230, 79984), (4999, 51680), (5168, 49990), (6460, 39992), (9998, 25840), (10336, 24995), (12920, 19996)]