197860910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1773

約数の個数: 64

約数和(自身を含む): 409812480

約数和(自身を除く): 211951570

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 754, 806, 899, 1693, 1798, 1885, 2015, 3386, 3770, 4030, 4495, 8465, 8990, 11687, 16930, 22009, 23374, 44018, 49097, 52483, 58435, 98194, 104966, 110045, 116870, 220090, 245485, 262415, 490970, 524830, 638261, 682279, 1276522, 1364558, 1522007, 3044014, 3191305, 3411395, 6382610, 6822790, 7610035, 15220070, 19786091, 39572182, 98930455, 197860910]

約数ペア:

[(1, 197860910), (2, 98930455), (5, 39572182), (10, 19786091), (13, 15220070), (26, 7610035), (29, 6822790), (31, 6382610), (58, 3411395), (62, 3191305), (65, 3044014), (130, 1522007), (145, 1364558), (155, 1276522), (290, 682279), (310, 638261), (377, 524830), (403, 490970), (754, 262415), (806, 245485), (899, 220090), (1693, 116870), (1798, 110045), (1885, 104966), (2015, 98194), (3386, 58435), (3770, 52483), (4030, 49097), (4495, 44018), (8465, 23374), (8990, 22009), (11687, 16930)]