47987660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2175

約数の個数: 72

約数和(自身を含む): 122381280

約数和(自身を除く): 74393620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2129, 2254, 3220, 4258, 4508, 5635, 8516, 10645, 11270, 14903, 21290, 22540, 29806, 42580, 48967, 59612, 74515, 97934, 104321, 149030, 195868, 208642, 244835, 298060, 342769, 417284, 489670, 521605, 685538, 979340, 1043210, 1371076, 1713845, 2086420, 2399383, 3427690, 4798766, 6855380, 9597532, 11996915, 23993830, 47987660]

約数ペア:

[(1, 47987660), (2, 23993830), (4, 11996915), (5, 9597532), (7, 6855380), (10, 4798766), (14, 3427690), (20, 2399383), (23, 2086420), (28, 1713845), (35, 1371076), (46, 1043210), (49, 979340), (70, 685538), (92, 521605), (98, 489670), (115, 417284), (140, 342769), (161, 298060), (196, 244835), (230, 208642), (245, 195868), (322, 149030), (460, 104321), (490, 97934), (644, 74515), (805, 59612), (980, 48967), (1127, 42580), (1610, 29806), (2129, 22540), (2254, 21290), (3220, 14903), (4258, 11270), (4508, 10645), (5635, 8516)]