220111940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 468659520

約数和(自身を除く): 248547580

約数列:

[1, 2, 4, 5, 10, 20, 163, 251, 269, 326, 502, 538, 652, 815, 1004, 1076, 1255, 1345, 1630, 2510, 2690, 3260, 5020, 5380, 40913, 43847, 67519, 81826, 87694, 135038, 163652, 175388, 204565, 219235, 270076, 337595, 409130, 438470, 675190, 818260, 876940, 1350380, 11005597, 22011194, 44022388, 55027985, 110055970, 220111940]

約数ペア:

[(1, 220111940), (2, 110055970), (4, 55027985), (5, 44022388), (10, 22011194), (20, 11005597), (163, 1350380), (251, 876940), (269, 818260), (326, 675190), (502, 438470), (538, 409130), (652, 337595), (815, 270076), (1004, 219235), (1076, 204565), (1255, 175388), (1345, 163652), (1630, 135038), (2510, 87694), (2690, 81826), (3260, 67519), (5020, 43847), (5380, 40913)]