930339980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{2861}}^1$

素因数の和:3170

約数の個数: 48

約数和(自身を含む): 1990578240

約数和(自身を除く): 1060238260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 229, 284, 355, 458, 710, 916, 1145, 1420, 2290, 2861, 4580, 5722, 11444, 14305, 16259, 28610, 32518, 57220, 65036, 81295, 162590, 203131, 325180, 406262, 655169, 812524, 1015655, 1310338, 2031310, 2620676, 3275845, 4062620, 6551690, 13103380, 46516999, 93033998, 186067996, 232584995, 465169990, 930339980]

約数ペア:

[(1, 930339980), (2, 465169990), (4, 232584995), (5, 186067996), (10, 93033998), (20, 46516999), (71, 13103380), (142, 6551690), (229, 4062620), (284, 3275845), (355, 2620676), (458, 2031310), (710, 1310338), (916, 1015655), (1145, 812524), (1420, 655169), (2290, 406262), (2861, 325180), (4580, 203131), (5722, 162590), (11444, 81295), (14305, 65036), (16259, 57220), (28610, 32518)]