250010170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 492687360

約数和(自身を除く): 242677190

約数列:

[1, 2, 5, 10, 19, 38, 43, 71, 86, 95, 142, 190, 215, 355, 430, 431, 710, 817, 862, 1349, 1634, 2155, 2698, 3053, 4085, 4310, 6106, 6745, 8170, 8189, 13490, 15265, 16378, 18533, 30530, 30601, 37066, 40945, 58007, 61202, 81890, 92665, 116014, 153005, 185330, 290035, 306010, 352127, 580070, 581419, 704254, 1162838, 1315843, 1760635, 2631686, 2907095, 3521270, 5814190, 6579215, 13158430, 25001017, 50002034, 125005085, 250010170]

約数ペア:

[(1, 250010170), (2, 125005085), (5, 50002034), (10, 25001017), (19, 13158430), (38, 6579215), (43, 5814190), (71, 3521270), (86, 2907095), (95, 2631686), (142, 1760635), (190, 1315843), (215, 1162838), (355, 704254), (430, 581419), (431, 580070), (710, 352127), (817, 306010), (862, 290035), (1349, 185330), (1634, 153005), (2155, 116014), (2698, 92665), (3053, 81890), (4085, 61202), (4310, 58007), (6106, 40945), (6745, 37066), (8170, 30601), (8189, 30530), (13490, 18533), (15265, 16378)]