648315650

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{2531}}^1$

素因数の和:2699

約数の個数: 48

約数和(自身を含む): 1243313280

約数和(自身を除く): 594997630

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 109, 218, 235, 470, 545, 1090, 1175, 2350, 2531, 2725, 5062, 5123, 5450, 10246, 12655, 25310, 25615, 51230, 63275, 118957, 126550, 128075, 237914, 256150, 275879, 551758, 594785, 1189570, 1379395, 2758790, 2973925, 5947850, 6896975, 12966313, 13793950, 25932626, 64831565, 129663130, 324157825, 648315650]

約数ペア:

[(1, 648315650), (2, 324157825), (5, 129663130), (10, 64831565), (25, 25932626), (47, 13793950), (50, 12966313), (94, 6896975), (109, 5947850), (218, 2973925), (235, 2758790), (470, 1379395), (545, 1189570), (1090, 594785), (1175, 551758), (2350, 275879), (2531, 256150), (2725, 237914), (5062, 128075), (5123, 126550), (5450, 118957), (10246, 63275), (12655, 51230), (25310, 25615)]