222534940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 474765984

約数和(自身を除く): 252231044

約数列:

[1, 2, 4, 5, 10, 20, 131, 157, 262, 314, 524, 541, 628, 655, 785, 1082, 1310, 1570, 2164, 2620, 2705, 3140, 5410, 10820, 20567, 41134, 70871, 82268, 84937, 102835, 141742, 169874, 205670, 283484, 339748, 354355, 411340, 424685, 708710, 849370, 1417420, 1698740, 11126747, 22253494, 44506988, 55633735, 111267470, 222534940]

約数ペア:

[(1, 222534940), (2, 111267470), (4, 55633735), (5, 44506988), (10, 22253494), (20, 11126747), (131, 1698740), (157, 1417420), (262, 849370), (314, 708710), (524, 424685), (541, 411340), (628, 354355), (655, 339748), (785, 283484), (1082, 205670), (1310, 169874), (1570, 141742), (2164, 102835), (2620, 84937), (2705, 82268), (3140, 70871), (5410, 41134), (10820, 20567)]