819049660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{286381}}^1$

素因数の和:286414

約数の個数: 48

約数和(自身を含む): 2020711392

約数和(自身を除く): 1201661732

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 286381, 572762, 1145524, 1431905, 2863810, 3150191, 3722953, 5727620, 6300382, 7445906, 12600764, 14891812, 15750955, 18614765, 31501910, 37229530, 40952483, 63003820, 74459060, 81904966, 163809932, 204762415, 409524830, 819049660]

約数ペア:

[(1, 819049660), (2, 409524830), (4, 204762415), (5, 163809932), (10, 81904966), (11, 74459060), (13, 63003820), (20, 40952483), (22, 37229530), (26, 31501910), (44, 18614765), (52, 15750955), (55, 14891812), (65, 12600764), (110, 7445906), (130, 6300382), (143, 5727620), (220, 3722953), (260, 3150191), (286, 2863810), (572, 1431905), (715, 1145524), (1430, 572762), (2860, 286381)]