256011390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123677}}^1$

素因数の和:123713

約数の個数: 48

約数和(自身を含む): 694575648

約数和(自身を除く): 438564258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 123677, 247354, 371031, 618385, 742062, 1113093, 1236770, 1855155, 2226186, 2844571, 3710310, 5565465, 5689142, 8533713, 11130930, 14222855, 17067426, 25601139, 28445710, 42668565, 51202278, 85337130, 128005695, 256011390]

約数ペア:

[(1, 256011390), (2, 128005695), (3, 85337130), (5, 51202278), (6, 42668565), (9, 28445710), (10, 25601139), (15, 17067426), (18, 14222855), (23, 11130930), (30, 8533713), (45, 5689142), (46, 5565465), (69, 3710310), (90, 2844571), (115, 2226186), (138, 1855155), (207, 1236770), (230, 1113093), (345, 742062), (414, 618385), (690, 371031), (1035, 247354), (2070, 123677)]