30997420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 67082400

約数和(自身を除く): 36084980

約数列:

[1, 2, 4, 5, 10, 20, 59, 109, 118, 218, 236, 241, 295, 436, 482, 545, 590, 964, 1090, 1180, 1205, 2180, 2410, 4820, 6431, 12862, 14219, 25724, 26269, 28438, 32155, 52538, 56876, 64310, 71095, 105076, 128620, 131345, 142190, 262690, 284380, 525380, 1549871, 3099742, 6199484, 7749355, 15498710, 30997420]

約数ペア:

[(1, 30997420), (2, 15498710), (4, 7749355), (5, 6199484), (10, 3099742), (20, 1549871), (59, 525380), (109, 284380), (118, 262690), (218, 142190), (236, 131345), (241, 128620), (295, 105076), (436, 71095), (482, 64310), (545, 56876), (590, 52538), (964, 32155), (1090, 28438), (1180, 26269), (1205, 25724), (2180, 14219), (2410, 12862), (4820, 6431)]