2947420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 7277760

約数和(自身を除く): 4330340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 569, 740, 1036, 1138, 1295, 2276, 2590, 2845, 3983, 5180, 5690, 7966, 11380, 15932, 19915, 21053, 39830, 42106, 79660, 84212, 105265, 147371, 210530, 294742, 421060, 589484, 736855, 1473710, 2947420]

約数ペア:

[(1, 2947420), (2, 1473710), (4, 736855), (5, 589484), (7, 421060), (10, 294742), (14, 210530), (20, 147371), (28, 105265), (35, 84212), (37, 79660), (70, 42106), (74, 39830), (140, 21053), (148, 19915), (185, 15932), (259, 11380), (370, 7966), (518, 5690), (569, 5180), (740, 3983), (1036, 2845), (1138, 2590), (1295, 2276)]