257789610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220333}}^1$

素因数の和:220359

約数の個数: 48

約数和(自身を含む): 721814184

約数和(自身を除く): 464024574

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 220333, 440666, 660999, 1101665, 1321998, 1982997, 2203330, 2864329, 3304995, 3965994, 5728658, 6609990, 8592987, 9914985, 14321645, 17185974, 19829970, 25778961, 28643290, 42964935, 51557922, 85929870, 128894805, 257789610]

約数ペア:

[(1, 257789610), (2, 128894805), (3, 85929870), (5, 51557922), (6, 42964935), (9, 28643290), (10, 25778961), (13, 19829970), (15, 17185974), (18, 14321645), (26, 9914985), (30, 8592987), (39, 6609990), (45, 5728658), (65, 3965994), (78, 3304995), (90, 2864329), (117, 2203330), (130, 1982997), (195, 1321998), (234, 1101665), (390, 660999), (585, 440666), (1170, 220333)]