165717620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3329}}^1$

素因数の和:3488

約数の個数: 48

約数和(自身を含む): 369230400

約数和(自身を除く): 203512780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 3329, 4978, 6658, 9956, 12445, 13316, 16645, 24890, 33290, 49780, 63251, 66580, 126502, 253004, 316255, 436099, 632510, 872198, 1265020, 1744396, 2180495, 4360990, 8285881, 8721980, 16571762, 33143524, 41429405, 82858810, 165717620]

約数ペア:

[(1, 165717620), (2, 82858810), (4, 41429405), (5, 33143524), (10, 16571762), (19, 8721980), (20, 8285881), (38, 4360990), (76, 2180495), (95, 1744396), (131, 1265020), (190, 872198), (262, 632510), (380, 436099), (524, 316255), (655, 253004), (1310, 126502), (2489, 66580), (2620, 63251), (3329, 49780), (4978, 33290), (6658, 24890), (9956, 16645), (12445, 13316)]