821736220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1\times {\mathrm{2423}}^1$

素因数の和:3010

約数の個数: 48

約数和(自身を含む): 1785305088

約数和(自身を除く): 963568868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 547, 620, 1094, 2188, 2423, 2735, 4846, 5470, 9692, 10940, 12115, 16957, 24230, 33914, 48460, 67828, 75113, 84785, 150226, 169570, 300452, 339140, 375565, 751130, 1325381, 1502260, 2650762, 5301524, 6626905, 13253810, 26507620, 41086811, 82173622, 164347244, 205434055, 410868110, 821736220]

約数ペア:

[(1, 821736220), (2, 410868110), (4, 205434055), (5, 164347244), (10, 82173622), (20, 41086811), (31, 26507620), (62, 13253810), (124, 6626905), (155, 5301524), (310, 2650762), (547, 1502260), (620, 1325381), (1094, 751130), (2188, 375565), (2423, 339140), (2735, 300452), (4846, 169570), (5470, 150226), (9692, 84785), (10940, 75113), (12115, 67828), (16957, 48460), (24230, 33914)]