201943750

素因数分解:

$2^1\times 5^5\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 384350400

約数和(自身を除く): 182406650

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 409, 625, 790, 818, 1250, 1975, 2045, 3125, 3950, 4090, 6250, 9875, 10225, 19750, 20450, 32311, 49375, 51125, 64622, 98750, 102250, 161555, 246875, 255625, 323110, 493750, 511250, 807775, 1278125, 1615550, 2556250, 4038875, 8077750, 20194375, 40388750, 100971875, 201943750]

約数ペア:

[(1, 201943750), (2, 100971875), (5, 40388750), (10, 20194375), (25, 8077750), (50, 4038875), (79, 2556250), (125, 1615550), (158, 1278125), (250, 807775), (395, 511250), (409, 493750), (625, 323110), (790, 255625), (818, 246875), (1250, 161555), (1975, 102250), (2045, 98750), (3125, 64622), (3950, 51125), (4090, 49375), (6250, 32311), (9875, 20450), (10225, 19750)]