429809920

素因数分解:

$2^8\times 5^1\times {\mathrm{409}}^1\times {\mathrm{821}}^1$

素因数の和:1251

約数の個数: 72

約数和(自身を含む): 1033303320

約数和(自身を除く): 603493400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 409, 640, 818, 821, 1280, 1636, 1642, 2045, 3272, 3284, 4090, 4105, 6544, 6568, 8180, 8210, 13088, 13136, 16360, 16420, 26176, 26272, 32720, 32840, 52352, 52544, 65440, 65680, 104704, 105088, 130880, 131360, 210176, 261760, 262720, 335789, 523520, 525440, 671578, 1050880, 1343156, 1678945, 2686312, 3357890, 5372624, 6715780, 10745248, 13431560, 21490496, 26863120, 42980992, 53726240, 85961984, 107452480, 214904960, 429809920]

約数ペア:

[(1, 429809920), (2, 214904960), (4, 107452480), (5, 85961984), (8, 53726240), (10, 42980992), (16, 26863120), (20, 21490496), (32, 13431560), (40, 10745248), (64, 6715780), (80, 5372624), (128, 3357890), (160, 2686312), (256, 1678945), (320, 1343156), (409, 1050880), (640, 671578), (818, 525440), (821, 523520), (1280, 335789), (1636, 262720), (1642, 261760), (2045, 210176), (3272, 131360), (3284, 130880), (4090, 105088), (4105, 104704), (6544, 65680), (6568, 65440), (8180, 52544), (8210, 52352), (13088, 32840), (13136, 32720), (16360, 26272), (16420, 26176)]