402305960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9643}}^1$

素因数の和:9810

約数の個数: 64

約数和(自身を含む): 1041552000

約数和(自身を除く): 639246040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 8344, 9643, 10430, 19286, 20860, 38572, 41720, 48215, 67501, 77144, 96430, 135002, 192860, 270004, 337505, 385720, 540008, 675010, 1350020, 1436807, 2700040, 2873614, 5747228, 7184035, 10057649, 11494456, 14368070, 20115298, 28736140, 40230596, 50288245, 57472280, 80461192, 100576490, 201152980, 402305960]

約数ペア:

[(1, 402305960), (2, 201152980), (4, 100576490), (5, 80461192), (7, 57472280), (8, 50288245), (10, 40230596), (14, 28736140), (20, 20115298), (28, 14368070), (35, 11494456), (40, 10057649), (56, 7184035), (70, 5747228), (140, 2873614), (149, 2700040), (280, 1436807), (298, 1350020), (596, 675010), (745, 540008), (1043, 385720), (1192, 337505), (1490, 270004), (2086, 192860), (2980, 135002), (4172, 96430), (5215, 77144), (5960, 67501), (8344, 48215), (9643, 41720), (10430, 38572), (19286, 20860)]