31674140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 72585072

約数和(自身を除く): 40910932

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 107, 164, 190, 205, 214, 361, 380, 410, 428, 535, 722, 779, 820, 1070, 1444, 1558, 1805, 2033, 2140, 3116, 3610, 3895, 4066, 4387, 7220, 7790, 8132, 8774, 10165, 14801, 15580, 17548, 20330, 21935, 29602, 38627, 40660, 43870, 59204, 74005, 77254, 83353, 87740, 148010, 154508, 166706, 193135, 296020, 333412, 386270, 416765, 772540, 833530, 1583707, 1667060, 3167414, 6334828, 7918535, 15837070, 31674140]

約数ペア:

[(1, 31674140), (2, 15837070), (4, 7918535), (5, 6334828), (10, 3167414), (19, 1667060), (20, 1583707), (38, 833530), (41, 772540), (76, 416765), (82, 386270), (95, 333412), (107, 296020), (164, 193135), (190, 166706), (205, 154508), (214, 148010), (361, 87740), (380, 83353), (410, 77254), (428, 74005), (535, 59204), (722, 43870), (779, 40660), (820, 38627), (1070, 29602), (1444, 21935), (1558, 20330), (1805, 17548), (2033, 15580), (2140, 14801), (3116, 10165), (3610, 8774), (3895, 8132), (4066, 7790), (4387, 7220)]