378883160

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 865944000

約数和(自身を除く): 487060840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 151, 298, 302, 421, 596, 604, 745, 755, 842, 1192, 1208, 1490, 1510, 1684, 2105, 2980, 3020, 3368, 4210, 5960, 6040, 8420, 16840, 22499, 44998, 62729, 63571, 89996, 112495, 125458, 127142, 179992, 224990, 250916, 254284, 313645, 317855, 449980, 501832, 508568, 627290, 635710, 899960, 1254580, 1271420, 2509160, 2542840, 9472079, 18944158, 37888316, 47360395, 75776632, 94720790, 189441580, 378883160]

約数ペア:

[(1, 378883160), (2, 189441580), (4, 94720790), (5, 75776632), (8, 47360395), (10, 37888316), (20, 18944158), (40, 9472079), (149, 2542840), (151, 2509160), (298, 1271420), (302, 1254580), (421, 899960), (596, 635710), (604, 627290), (745, 508568), (755, 501832), (842, 449980), (1192, 317855), (1208, 313645), (1490, 254284), (1510, 250916), (1684, 224990), (2105, 179992), (2980, 127142), (3020, 125458), (3368, 112495), (4210, 89996), (5960, 63571), (6040, 62729), (8420, 44998), (16840, 22499)]