1370292520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1\times {\mathrm{1399}}^1$

素因数の和:1978

約数の個数: 64

約数和(自身を含む): 3157056000

約数和(自身を除く): 1786763480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 521, 940, 1042, 1399, 1880, 2084, 2605, 2798, 4168, 5210, 5596, 6995, 10420, 11192, 13990, 20840, 24487, 27980, 48974, 55960, 65753, 97948, 122435, 131506, 195896, 244870, 263012, 328765, 489740, 526024, 657530, 728879, 979480, 1315060, 1457758, 2630120, 2915516, 3644395, 5831032, 7288790, 14577580, 29155160, 34257313, 68514626, 137029252, 171286565, 274058504, 342573130, 685146260, 1370292520]

約数ペア:

[(1, 1370292520), (2, 685146260), (4, 342573130), (5, 274058504), (8, 171286565), (10, 137029252), (20, 68514626), (40, 34257313), (47, 29155160), (94, 14577580), (188, 7288790), (235, 5831032), (376, 3644395), (470, 2915516), (521, 2630120), (940, 1457758), (1042, 1315060), (1399, 979480), (1880, 728879), (2084, 657530), (2605, 526024), (2798, 489740), (4168, 328765), (5210, 263012), (5596, 244870), (6995, 195896), (10420, 131506), (11192, 122435), (13990, 97948), (20840, 65753), (24487, 55960), (27980, 48974)]