808213250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1669}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 1641276000

約数和(自身を除く): 833062750

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 149, 250, 298, 325, 650, 745, 1490, 1625, 1669, 1937, 3250, 3338, 3725, 3874, 7450, 8345, 9685, 16690, 18625, 19370, 21697, 37250, 41725, 43394, 48425, 83450, 96850, 108485, 208625, 216970, 242125, 248681, 417250, 484250, 497362, 542425, 1084850, 1243405, 2486810, 2712125, 3232853, 5424250, 6217025, 6465706, 12434050, 16164265, 31085125, 32328530, 62170250, 80821325, 161642650, 404106625, 808213250]

約数ペア:

[(1, 808213250), (2, 404106625), (5, 161642650), (10, 80821325), (13, 62170250), (25, 32328530), (26, 31085125), (50, 16164265), (65, 12434050), (125, 6465706), (130, 6217025), (149, 5424250), (250, 3232853), (298, 2712125), (325, 2486810), (650, 1243405), (745, 1084850), (1490, 542425), (1625, 497362), (1669, 484250), (1937, 417250), (3250, 248681), (3338, 242125), (3725, 216970), (3874, 208625), (7450, 108485), (8345, 96850), (9685, 83450), (16690, 48425), (18625, 43394), (19370, 41725), (21697, 37250)]