512794840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{823}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 1189229760

約数和(自身を除く): 676434920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 421, 740, 823, 842, 1480, 1646, 1684, 2105, 3292, 3368, 4115, 4210, 6584, 8230, 8420, 15577, 16460, 16840, 30451, 31154, 32920, 60902, 62308, 77885, 121804, 124616, 152255, 155770, 243608, 304510, 311540, 346483, 609020, 623080, 692966, 1218040, 1385932, 1732415, 2771864, 3464830, 6929660, 12819871, 13859320, 25639742, 51279484, 64099355, 102558968, 128198710, 256397420, 512794840]

約数ペア:

[(1, 512794840), (2, 256397420), (4, 128198710), (5, 102558968), (8, 64099355), (10, 51279484), (20, 25639742), (37, 13859320), (40, 12819871), (74, 6929660), (148, 3464830), (185, 2771864), (296, 1732415), (370, 1385932), (421, 1218040), (740, 692966), (823, 623080), (842, 609020), (1480, 346483), (1646, 311540), (1684, 304510), (2105, 243608), (3292, 155770), (3368, 152255), (4115, 124616), (4210, 121804), (6584, 77885), (8230, 62308), (8420, 60902), (15577, 32920), (16460, 31154), (16840, 30451)]