287852950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{971}}^1$

素因数の和:1019

約数の個数: 108

約数和(自身を含む): 685292076

約数和(自身を除く): 397439126

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 121, 154, 175, 242, 245, 275, 350, 385, 490, 539, 550, 605, 770, 847, 971, 1078, 1210, 1225, 1694, 1925, 1942, 2450, 2695, 3025, 3850, 4235, 4855, 5390, 5929, 6050, 6797, 8470, 9710, 10681, 11858, 13475, 13594, 21175, 21362, 24275, 26950, 29645, 33985, 42350, 47579, 48550, 53405, 59290, 67970, 74767, 95158, 106810, 117491, 148225, 149534, 169925, 234982, 237895, 267025, 296450, 339850, 373835, 475790, 523369, 534050, 587455, 747670, 822437, 1046738, 1174910, 1189475, 1644874, 1869175, 2378950, 2616845, 2937275, 3738350, 4112185, 5233690, 5757059, 5874550, 8224370, 11514118, 13084225, 20560925, 26168450, 28785295, 41121850, 57570590, 143926475, 287852950]

約数ペア:

[(1, 287852950), (2, 143926475), (5, 57570590), (7, 41121850), (10, 28785295), (11, 26168450), (14, 20560925), (22, 13084225), (25, 11514118), (35, 8224370), (49, 5874550), (50, 5757059), (55, 5233690), (70, 4112185), (77, 3738350), (98, 2937275), (110, 2616845), (121, 2378950), (154, 1869175), (175, 1644874), (242, 1189475), (245, 1174910), (275, 1046738), (350, 822437), (385, 747670), (490, 587455), (539, 534050), (550, 523369), (605, 475790), (770, 373835), (847, 339850), (971, 296450), (1078, 267025), (1210, 237895), (1225, 234982), (1694, 169925), (1925, 149534), (1942, 148225), (2450, 117491), (2695, 106810), (3025, 95158), (3850, 74767), (4235, 67970), (4855, 59290), (5390, 53405), (5929, 48550), (6050, 47579), (6797, 42350), (8470, 33985), (9710, 29645), (10681, 26950), (11858, 24275), (13475, 21362), (13594, 21175)]