641410

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 64

約数和(自身を含む): 1555200

約数和(自身を除く): 913790

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 49, 55, 70, 77, 85, 98, 110, 119, 154, 170, 187, 238, 245, 343, 374, 385, 490, 539, 595, 686, 770, 833, 935, 1078, 1190, 1309, 1666, 1715, 1870, 2618, 2695, 3430, 3773, 4165, 5390, 5831, 6545, 7546, 8330, 9163, 11662, 13090, 18326, 18865, 29155, 37730, 45815, 58310, 64141, 91630, 128282, 320705, 641410]

約数ペア:

[(1, 641410), (2, 320705), (5, 128282), (7, 91630), (10, 64141), (11, 58310), (14, 45815), (17, 37730), (22, 29155), (34, 18865), (35, 18326), (49, 13090), (55, 11662), (70, 9163), (77, 8330), (85, 7546), (98, 6545), (110, 5831), (119, 5390), (154, 4165), (170, 3773), (187, 3430), (238, 2695), (245, 2618), (343, 1870), (374, 1715), (385, 1666), (490, 1309), (539, 1190), (595, 1078), (686, 935), (770, 833)]