1389470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 32

約数和(自身を含む): 2695680

約数和(自身を除く): 1306210

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 103, 142, 190, 206, 355, 515, 710, 1030, 1349, 1957, 2698, 3914, 6745, 7313, 9785, 13490, 14626, 19570, 36565, 73130, 138947, 277894, 694735, 1389470]

約数ペア:

[(1, 1389470), (2, 694735), (5, 277894), (10, 138947), (19, 73130), (38, 36565), (71, 19570), (95, 14626), (103, 13490), (142, 9785), (190, 7313), (206, 6745), (355, 3914), (515, 2698), (710, 1957), (1030, 1349)]