291036220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{757}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 626532480

約数和(自身を除く): 335496260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 409, 470, 757, 818, 940, 1514, 1636, 2045, 3028, 3785, 4090, 7570, 8180, 15140, 19223, 35579, 38446, 71158, 76892, 96115, 142316, 177895, 192230, 309613, 355790, 384460, 619226, 711580, 1238452, 1548065, 3096130, 6192260, 14551811, 29103622, 58207244, 72759055, 145518110, 291036220]

約数ペア:

[(1, 291036220), (2, 145518110), (4, 72759055), (5, 58207244), (10, 29103622), (20, 14551811), (47, 6192260), (94, 3096130), (188, 1548065), (235, 1238452), (409, 711580), (470, 619226), (757, 384460), (818, 355790), (940, 309613), (1514, 192230), (1636, 177895), (2045, 142316), (3028, 96115), (3785, 76892), (4090, 71158), (7570, 38446), (8180, 35579), (15140, 19223)]