27448780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 59371200

約数和(自身を除く): 31922420

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 151, 244, 298, 302, 305, 596, 604, 610, 745, 755, 1220, 1490, 1510, 2980, 3020, 9089, 9211, 18178, 18422, 22499, 36356, 36844, 44998, 45445, 46055, 89996, 90890, 92110, 112495, 181780, 184220, 224990, 449980, 1372439, 2744878, 5489756, 6862195, 13724390, 27448780]

約数ペア:

[(1, 27448780), (2, 13724390), (4, 6862195), (5, 5489756), (10, 2744878), (20, 1372439), (61, 449980), (122, 224990), (149, 184220), (151, 181780), (244, 112495), (298, 92110), (302, 90890), (305, 89996), (596, 46055), (604, 45445), (610, 44998), (745, 36844), (755, 36356), (1220, 22499), (1490, 18422), (1510, 18178), (2980, 9211), (3020, 9089)]