405678430

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{9689}}^1$

素因数の和:9828

約数の個数: 32

約数和(自身を含む): 753494400

約数和(自身を除く): 347815970

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 265, 395, 530, 790, 4187, 8374, 9689, 19378, 20935, 41870, 48445, 96890, 513517, 765431, 1027034, 1530862, 2567585, 3827155, 5135170, 7654310, 40567843, 81135686, 202839215, 405678430]

約数ペア:

[(1, 405678430), (2, 202839215), (5, 81135686), (10, 40567843), (53, 7654310), (79, 5135170), (106, 3827155), (158, 2567585), (265, 1530862), (395, 1027034), (530, 765431), (790, 513517), (4187, 96890), (8374, 48445), (9689, 41870), (19378, 20935)]