490694750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21569}}^1$

素因数の和:21606

約数の個数: 64

約数和(自身を含む): 1130613120

約数和(自身を除く): 639918370

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 650, 875, 910, 1625, 1750, 2275, 3250, 4550, 11375, 21569, 22750, 43138, 107845, 150983, 215690, 280397, 301966, 539225, 560794, 754915, 1078450, 1401985, 1509830, 1962779, 2696125, 2803970, 3774575, 3925558, 5392250, 7009925, 7549150, 9813895, 14019850, 18872875, 19627790, 35049625, 37745750, 49069475, 70099250, 98138950, 245347375, 490694750]

約数ペア:

[(1, 490694750), (2, 245347375), (5, 98138950), (7, 70099250), (10, 49069475), (13, 37745750), (14, 35049625), (25, 19627790), (26, 18872875), (35, 14019850), (50, 9813895), (65, 7549150), (70, 7009925), (91, 5392250), (125, 3925558), (130, 3774575), (175, 2803970), (182, 2696125), (250, 1962779), (325, 1509830), (350, 1401985), (455, 1078450), (650, 754915), (875, 560794), (910, 539225), (1625, 301966), (1750, 280397), (2275, 215690), (3250, 150983), (4550, 107845), (11375, 43138), (21569, 22750)]