1912740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3530460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 449, 710, 852, 898, 1065, 1347, 1420, 1796, 2130, 2245, 2694, 4260, 4490, 5388, 6735, 8980, 13470, 26940, 31879, 63758, 95637, 127516, 159395, 191274, 318790, 382548, 478185, 637580, 956370, 1912740]

約数ペア:

[(1, 1912740), (2, 956370), (3, 637580), (4, 478185), (5, 382548), (6, 318790), (10, 191274), (12, 159395), (15, 127516), (20, 95637), (30, 63758), (60, 31879), (71, 26940), (142, 13470), (213, 8980), (284, 6735), (355, 5388), (426, 4490), (449, 4260), (710, 2694), (852, 2245), (898, 2130), (1065, 1796), (1347, 1420)]