201231806980

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{877}}^1\times {\mathrm{44641}}^1$

素因数の和:45784

約数の個数: 48

約数和(自身を含む): 424724345136

約数和(自身を除く): 223492538156

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 877, 1028, 1285, 1754, 2570, 3508, 4385, 5140, 8770, 17540, 44641, 89282, 178564, 223205, 225389, 446410, 450778, 892820, 901556, 1126945, 2253890, 4507780, 11472737, 22945474, 39150157, 45890948, 57363685, 78300314, 114727370, 156600628, 195750785, 229454740, 391501570, 783003140, 10061590349, 20123180698, 40246361396, 50307951745, 100615903490, 201231806980]

約数ペア:

[(1, 201231806980), (2, 100615903490), (4, 50307951745), (5, 40246361396), (10, 20123180698), (20, 10061590349), (257, 783003140), (514, 391501570), (877, 229454740), (1028, 195750785), (1285, 156600628), (1754, 114727370), (2570, 78300314), (3508, 57363685), (4385, 45890948), (5140, 39150157), (8770, 22945474), (17540, 11472737), (44641, 4507780), (89282, 2253890), (178564, 1126945), (223205, 901556), (225389, 892820), (446410, 450778)]