389645820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69829}}^1$

素因数の和:69875

約数の個数: 72

約数和(自身を含む): 1220069760

約数和(自身を除く): 830423940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 69829, 139658, 209487, 279316, 349145, 418974, 628461, 698290, 837948, 1047435, 1256922, 1396580, 2094870, 2164699, 2513844, 3142305, 4189740, 4329398, 6284610, 6494097, 8658796, 10823495, 12569220, 12988194, 19482291, 21646990, 25976388, 32470485, 38964582, 43293980, 64940970, 77929164, 97411455, 129881940, 194822910, 389645820]

約数ペア:

[(1, 389645820), (2, 194822910), (3, 129881940), (4, 97411455), (5, 77929164), (6, 64940970), (9, 43293980), (10, 38964582), (12, 32470485), (15, 25976388), (18, 21646990), (20, 19482291), (30, 12988194), (31, 12569220), (36, 10823495), (45, 8658796), (60, 6494097), (62, 6284610), (90, 4329398), (93, 4189740), (124, 3142305), (155, 2513844), (180, 2164699), (186, 2094870), (279, 1396580), (310, 1256922), (372, 1047435), (465, 837948), (558, 698290), (620, 628461), (930, 418974), (1116, 349145), (1395, 279316), (1860, 209487), (2790, 139658), (5580, 69829)]