49319980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 105910560

約数和(自身を除く): 56590580

約数列:

[1, 2, 4, 5, 10, 20, 113, 139, 157, 226, 278, 314, 452, 556, 565, 628, 695, 785, 1130, 1390, 1570, 2260, 2780, 3140, 15707, 17741, 21823, 31414, 35482, 43646, 62828, 70964, 78535, 87292, 88705, 109115, 157070, 177410, 218230, 314140, 354820, 436460, 2465999, 4931998, 9863996, 12329995, 24659990, 49319980]

約数ペア:

[(1, 49319980), (2, 24659990), (4, 12329995), (5, 9863996), (10, 4931998), (20, 2465999), (113, 436460), (139, 354820), (157, 314140), (226, 218230), (278, 177410), (314, 157070), (452, 109115), (556, 88705), (565, 87292), (628, 78535), (695, 70964), (785, 62828), (1130, 43646), (1390, 35482), (1570, 31414), (2260, 21823), (2780, 17741), (3140, 15707)]