4751320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 12441600

約数和(自身を除く): 7690280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 239, 280, 284, 355, 478, 497, 568, 710, 956, 994, 1195, 1420, 1673, 1912, 1988, 2390, 2485, 2840, 3346, 3976, 4780, 4970, 6692, 8365, 9560, 9940, 13384, 16730, 16969, 19880, 33460, 33938, 66920, 67876, 84845, 118783, 135752, 169690, 237566, 339380, 475132, 593915, 678760, 950264, 1187830, 2375660, 4751320]

約数ペア:

[(1, 4751320), (2, 2375660), (4, 1187830), (5, 950264), (7, 678760), (8, 593915), (10, 475132), (14, 339380), (20, 237566), (28, 169690), (35, 135752), (40, 118783), (56, 84845), (70, 67876), (71, 66920), (140, 33938), (142, 33460), (239, 19880), (280, 16969), (284, 16730), (355, 13384), (478, 9940), (497, 9560), (568, 8365), (710, 6692), (956, 4970), (994, 4780), (1195, 3976), (1420, 3346), (1673, 2840), (1912, 2485), (1988, 2390)]