30970580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 67314240

約数和(自身を除く): 36343660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 179, 205, 211, 358, 410, 422, 716, 820, 844, 895, 1055, 1790, 2110, 3580, 4220, 7339, 8651, 14678, 17302, 29356, 34604, 36695, 37769, 43255, 73390, 75538, 86510, 146780, 151076, 173020, 188845, 377690, 755380, 1548529, 3097058, 6194116, 7742645, 15485290, 30970580]

約数ペア:

[(1, 30970580), (2, 15485290), (4, 7742645), (5, 6194116), (10, 3097058), (20, 1548529), (41, 755380), (82, 377690), (164, 188845), (179, 173020), (205, 151076), (211, 146780), (358, 86510), (410, 75538), (422, 73390), (716, 43255), (820, 37769), (844, 36695), (895, 34604), (1055, 29356), (1790, 17302), (2110, 14678), (3580, 8651), (4220, 7339)]