320926660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{1093}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 689771376

約数和(自身を除く): 368844716

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 277, 530, 554, 1060, 1093, 1108, 1385, 2186, 2770, 4372, 5465, 5540, 10930, 14681, 21860, 29362, 57929, 58724, 73405, 115858, 146810, 231716, 289645, 293620, 302761, 579290, 605522, 1158580, 1211044, 1513805, 3027610, 6055220, 16046333, 32092666, 64185332, 80231665, 160463330, 320926660]

約数ペア:

[(1, 320926660), (2, 160463330), (4, 80231665), (5, 64185332), (10, 32092666), (20, 16046333), (53, 6055220), (106, 3027610), (212, 1513805), (265, 1211044), (277, 1158580), (530, 605522), (554, 579290), (1060, 302761), (1093, 293620), (1108, 289645), (1385, 231716), (2186, 146810), (2770, 115858), (4372, 73405), (5465, 58724), (5540, 57929), (10930, 29362), (14681, 21860)]