17181815020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{7349}}^1$

素因数の和:7555

約数の個数: 72

約数和(自身を含む): 37642878000

約数和(自身を除く): 20461062980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 841, 1390, 1682, 2780, 3364, 4031, 4205, 7349, 8062, 8410, 14698, 16124, 16820, 20155, 29396, 36745, 40310, 73490, 80620, 116899, 146980, 213121, 233798, 426242, 467596, 584495, 852484, 1021511, 1065605, 1168990, 2043022, 2131210, 2337980, 4086044, 4262420, 5107555, 6180509, 10215110, 12361018, 20430220, 24722036, 29623819, 30902545, 59247638, 61805090, 118495276, 123610180, 148119095, 296238190, 592476380, 859090751, 1718181502, 3436363004, 4295453755, 8590907510, 17181815020]

約数ペア:

[(1, 17181815020), (2, 8590907510), (4, 4295453755), (5, 3436363004), (10, 1718181502), (20, 859090751), (29, 592476380), (58, 296238190), (116, 148119095), (139, 123610180), (145, 118495276), (278, 61805090), (290, 59247638), (556, 30902545), (580, 29623819), (695, 24722036), (841, 20430220), (1390, 12361018), (1682, 10215110), (2780, 6180509), (3364, 5107555), (4031, 4262420), (4205, 4086044), (7349, 2337980), (8062, 2131210), (8410, 2043022), (14698, 1168990), (16124, 1065605), (16820, 1021511), (20155, 852484), (29396, 584495), (36745, 467596), (40310, 426242), (73490, 233798), (80620, 213121), (116899, 146980)]