55142740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 118601280

約数和(自身を除く): 63458540

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 179, 211, 292, 358, 365, 422, 716, 730, 844, 895, 1055, 1460, 1790, 2110, 3580, 4220, 13067, 15403, 26134, 30806, 37769, 52268, 61612, 65335, 75538, 77015, 130670, 151076, 154030, 188845, 261340, 308060, 377690, 755380, 2757137, 5514274, 11028548, 13785685, 27571370, 55142740]

約数ペア:

[(1, 55142740), (2, 27571370), (4, 13785685), (5, 11028548), (10, 5514274), (20, 2757137), (73, 755380), (146, 377690), (179, 308060), (211, 261340), (292, 188845), (358, 154030), (365, 151076), (422, 130670), (716, 77015), (730, 75538), (844, 65335), (895, 61612), (1055, 52268), (1460, 37769), (1790, 30806), (2110, 26134), (3580, 15403), (4220, 13067)]