1704340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 3999744

約数和(自身を除く): 2295404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 127, 220, 244, 254, 305, 508, 610, 635, 671, 1220, 1270, 1342, 1397, 2540, 2684, 2794, 3355, 5588, 6710, 6985, 7747, 13420, 13970, 15494, 27940, 30988, 38735, 77470, 85217, 154940, 170434, 340868, 426085, 852170, 1704340]

約数ペア:

[(1, 1704340), (2, 852170), (4, 426085), (5, 340868), (10, 170434), (11, 154940), (20, 85217), (22, 77470), (44, 38735), (55, 30988), (61, 27940), (110, 15494), (122, 13970), (127, 13420), (220, 7747), (244, 6985), (254, 6710), (305, 5588), (508, 3355), (610, 2794), (635, 2684), (671, 2540), (1220, 1397), (1270, 1342)]