299308750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 613266192

約数和(自身を除く): 313957442

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 125, 130, 163, 226, 250, 325, 326, 565, 625, 650, 815, 1130, 1250, 1469, 1625, 1630, 2119, 2825, 2938, 3250, 4075, 4238, 5650, 7345, 8125, 8150, 10595, 14125, 14690, 16250, 18419, 20375, 21190, 28250, 36725, 36838, 40750, 52975, 70625, 73450, 92095, 101875, 105950, 141250, 183625, 184190, 203750, 239447, 264875, 367250, 460475, 478894, 529750, 918125, 920950, 1197235, 1324375, 1836250, 2302375, 2394470, 2648750, 4604750, 5986175, 11511875, 11972350, 23023750, 29930875, 59861750, 149654375, 299308750]

約数ペア:

[(1, 299308750), (2, 149654375), (5, 59861750), (10, 29930875), (13, 23023750), (25, 11972350), (26, 11511875), (50, 5986175), (65, 4604750), (113, 2648750), (125, 2394470), (130, 2302375), (163, 1836250), (226, 1324375), (250, 1197235), (325, 920950), (326, 918125), (565, 529750), (625, 478894), (650, 460475), (815, 367250), (1130, 264875), (1250, 239447), (1469, 203750), (1625, 184190), (1630, 183625), (2119, 141250), (2825, 105950), (2938, 101875), (3250, 92095), (4075, 73450), (4238, 70625), (5650, 52975), (7345, 40750), (8125, 36838), (8150, 36725), (10595, 28250), (14125, 21190), (14690, 20375), (16250, 18419)]