31665970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 64

約数和(自身を含む): 71020800

約数和(自身を除く): 39354830

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 58, 70, 95, 133, 145, 190, 203, 266, 290, 406, 551, 665, 821, 1015, 1102, 1330, 1642, 2030, 2755, 3857, 4105, 5510, 5747, 7714, 8210, 11494, 15599, 19285, 23809, 28735, 31198, 38570, 47618, 57470, 77995, 109193, 119045, 155990, 166663, 218386, 238090, 333326, 452371, 545965, 833315, 904742, 1091930, 1666630, 2261855, 3166597, 4523710, 6333194, 15832985, 31665970]

約数ペア:

[(1, 31665970), (2, 15832985), (5, 6333194), (7, 4523710), (10, 3166597), (14, 2261855), (19, 1666630), (29, 1091930), (35, 904742), (38, 833315), (58, 545965), (70, 452371), (95, 333326), (133, 238090), (145, 218386), (190, 166663), (203, 155990), (266, 119045), (290, 109193), (406, 77995), (551, 57470), (665, 47618), (821, 38570), (1015, 31198), (1102, 28735), (1330, 23809), (1642, 19285), (2030, 15599), (2755, 11494), (3857, 8210), (4105, 7714), (5510, 5747)]