322430140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2081}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 693955584

約数和(自身を除く): 371525444

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 508, 610, 635, 1220, 1270, 2081, 2540, 4162, 7747, 8324, 10405, 15494, 20810, 30988, 38735, 41620, 77470, 126941, 154940, 253882, 264287, 507764, 528574, 634705, 1057148, 1269410, 1321435, 2538820, 2642870, 5285740, 16121507, 32243014, 64486028, 80607535, 161215070, 322430140]

約数ペア:

[(1, 322430140), (2, 161215070), (4, 80607535), (5, 64486028), (10, 32243014), (20, 16121507), (61, 5285740), (122, 2642870), (127, 2538820), (244, 1321435), (254, 1269410), (305, 1057148), (508, 634705), (610, 528574), (635, 507764), (1220, 264287), (1270, 253882), (2081, 154940), (2540, 126941), (4162, 77470), (7747, 41620), (8324, 38735), (10405, 30988), (15494, 20810)]