1339940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 3411072

約数和(自身を除く): 2071132

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 563, 595, 1126, 1190, 2252, 2380, 2815, 3941, 5630, 7882, 9571, 11260, 15764, 19142, 19705, 38284, 39410, 47855, 66997, 78820, 95710, 133994, 191420, 267988, 334985, 669970, 1339940]

約数ペア:

[(1, 1339940), (2, 669970), (4, 334985), (5, 267988), (7, 191420), (10, 133994), (14, 95710), (17, 78820), (20, 66997), (28, 47855), (34, 39410), (35, 38284), (68, 19705), (70, 19142), (85, 15764), (119, 11260), (140, 9571), (170, 7882), (238, 5630), (340, 3941), (476, 2815), (563, 2380), (595, 2252), (1126, 1190)]