17858750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 41461728

約数和(自身を除く): 23602978

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 157, 175, 182, 250, 314, 325, 350, 455, 625, 650, 785, 875, 910, 1099, 1250, 1570, 1625, 1750, 2041, 2198, 2275, 3250, 3925, 4082, 4375, 4550, 5495, 7850, 8125, 8750, 10205, 10990, 11375, 14287, 16250, 19625, 20410, 22750, 27475, 28574, 39250, 51025, 54950, 56875, 71435, 98125, 102050, 113750, 137375, 142870, 196250, 255125, 274750, 357175, 510250, 686875, 714350, 1275625, 1373750, 1785875, 2551250, 3571750, 8929375, 17858750]

約数ペア:

[(1, 17858750), (2, 8929375), (5, 3571750), (7, 2551250), (10, 1785875), (13, 1373750), (14, 1275625), (25, 714350), (26, 686875), (35, 510250), (50, 357175), (65, 274750), (70, 255125), (91, 196250), (125, 142870), (130, 137375), (157, 113750), (175, 102050), (182, 98125), (250, 71435), (314, 56875), (325, 54950), (350, 51025), (455, 39250), (625, 28574), (650, 27475), (785, 22750), (875, 20410), (910, 19625), (1099, 16250), (1250, 14287), (1570, 11375), (1625, 10990), (1750, 10205), (2041, 8750), (2198, 8125), (2275, 7850), (3250, 5495), (3925, 4550), (4082, 4375)]