2115650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 4419360

約数和(自身を除く): 2303710

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 131, 170, 190, 262, 323, 425, 475, 646, 655, 850, 950, 1310, 1615, 2227, 2489, 3230, 3275, 4454, 4978, 6550, 8075, 11135, 12445, 16150, 22270, 24890, 42313, 55675, 62225, 84626, 111350, 124450, 211565, 423130, 1057825, 2115650]

約数ペア:

[(1, 2115650), (2, 1057825), (5, 423130), (10, 211565), (17, 124450), (19, 111350), (25, 84626), (34, 62225), (38, 55675), (50, 42313), (85, 24890), (95, 22270), (131, 16150), (170, 12445), (190, 11135), (262, 8075), (323, 6550), (425, 4978), (475, 4454), (646, 3275), (655, 3230), (850, 2489), (950, 2227), (1310, 1615)]