248786980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20359}}^1$

素因数の和:20428

約数の個数: 48

約数和(自身を含む): 574640640

約数和(自身を除く): 325853660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 20359, 40718, 81436, 101795, 203590, 264667, 407180, 529334, 956873, 1058668, 1323335, 1913746, 2646670, 3827492, 4784365, 5293340, 9568730, 12439349, 19137460, 24878698, 49757396, 62196745, 124393490, 248786980]

約数ペア:

[(1, 248786980), (2, 124393490), (4, 62196745), (5, 49757396), (10, 24878698), (13, 19137460), (20, 12439349), (26, 9568730), (47, 5293340), (52, 4784365), (65, 3827492), (94, 2646670), (130, 1913746), (188, 1323335), (235, 1058668), (260, 956873), (470, 529334), (611, 407180), (940, 264667), (1222, 203590), (2444, 101795), (3055, 81436), (6110, 40718), (12220, 20359)]