161848940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{3299}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 372556800

約数和(自身を除く): 210707860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 892, 1115, 2230, 2453, 3299, 4460, 4906, 6598, 9812, 12265, 13196, 16495, 24530, 32990, 36289, 49060, 65980, 72578, 145156, 181445, 362890, 725780, 735677, 1471354, 2942708, 3678385, 7356770, 8092447, 14713540, 16184894, 32369788, 40462235, 80924470, 161848940]

約数ペア:

[(1, 161848940), (2, 80924470), (4, 40462235), (5, 32369788), (10, 16184894), (11, 14713540), (20, 8092447), (22, 7356770), (44, 3678385), (55, 2942708), (110, 1471354), (220, 735677), (223, 725780), (446, 362890), (892, 181445), (1115, 145156), (2230, 72578), (2453, 65980), (3299, 49060), (4460, 36289), (4906, 32990), (6598, 24530), (9812, 16495), (12265, 13196)]