2664403820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{28387}}^1$

素因数の和:28447

約数の個数: 72

約数和(自身を含む): 6359706864

約数和(自身を除く): 3695303044

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 988, 1235, 1444, 1805, 2470, 3610, 4693, 4940, 7220, 9386, 18772, 23465, 28387, 46930, 56774, 93860, 113548, 141935, 283870, 369031, 539353, 567740, 738062, 1078706, 1476124, 1845155, 2157412, 2696765, 3690310, 5393530, 7011589, 7380620, 10247707, 10787060, 14023178, 20495414, 28046356, 35057945, 40990828, 51238535, 70115890, 102477070, 133220191, 140231780, 204954140, 266440382, 532880764, 666100955, 1332201910, 2664403820]

約数ペア:

[(1, 2664403820), (2, 1332201910), (4, 666100955), (5, 532880764), (10, 266440382), (13, 204954140), (19, 140231780), (20, 133220191), (26, 102477070), (38, 70115890), (52, 51238535), (65, 40990828), (76, 35057945), (95, 28046356), (130, 20495414), (190, 14023178), (247, 10787060), (260, 10247707), (361, 7380620), (380, 7011589), (494, 5393530), (722, 3690310), (988, 2696765), (1235, 2157412), (1444, 1845155), (1805, 1476124), (2470, 1078706), (3610, 738062), (4693, 567740), (4940, 539353), (7220, 369031), (9386, 283870), (18772, 141935), (23465, 113548), (28387, 93860), (46930, 56774)]