128520290

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{3571}}^1$

素因数の和:3698

約数の個数: 32

約数和(自身を含む): 239181120

約数和(自身を除く): 110660830

約数列:

[1, 2, 5, 10, 59, 61, 118, 122, 295, 305, 590, 610, 3571, 3599, 7142, 7198, 17855, 17995, 35710, 35990, 210689, 217831, 421378, 435662, 1053445, 1089155, 2106890, 2178310, 12852029, 25704058, 64260145, 128520290]

約数ペア:

[(1, 128520290), (2, 64260145), (5, 25704058), (10, 12852029), (59, 2178310), (61, 2106890), (118, 1089155), (122, 1053445), (295, 435662), (305, 421378), (590, 217831), (610, 210689), (3571, 35990), (3599, 35710), (7142, 17995), (7198, 17855)]