398302060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{18457}}^1$

素因数の和:18562

約数の個数: 48

約数和(自身を含む): 911677536

約数和(自身を除く): 513375476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 4316, 5395, 10790, 18457, 21580, 36914, 73828, 92285, 184570, 239941, 369140, 479882, 959764, 1199705, 1531931, 2399410, 3063862, 4798820, 6127724, 7659655, 15319310, 19915103, 30638620, 39830206, 79660412, 99575515, 199151030, 398302060]

約数ペア:

[(1, 398302060), (2, 199151030), (4, 99575515), (5, 79660412), (10, 39830206), (13, 30638620), (20, 19915103), (26, 15319310), (52, 7659655), (65, 6127724), (83, 4798820), (130, 3063862), (166, 2399410), (260, 1531931), (332, 1199705), (415, 959764), (830, 479882), (1079, 369140), (1660, 239941), (2158, 184570), (4316, 92285), (5395, 73828), (10790, 36914), (18457, 21580)]