402938320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{265091}}^1$

素因数の和:265123

約数の個数: 40

約数和(自身を含む): 986142240

約数和(自身を除く): 583203920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 265091, 530182, 1060364, 1325455, 2120728, 2650910, 4241456, 5036729, 5301820, 10073458, 10603640, 20146916, 21207280, 25183645, 40293832, 50367290, 80587664, 100734580, 201469160, 402938320]

約数ペア:

[(1, 402938320), (2, 201469160), (4, 100734580), (5, 80587664), (8, 50367290), (10, 40293832), (16, 25183645), (19, 21207280), (20, 20146916), (38, 10603640), (40, 10073458), (76, 5301820), (80, 5036729), (95, 4241456), (152, 2650910), (190, 2120728), (304, 1325455), (380, 1060364), (760, 530182), (1520, 265091)]