1900821680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{26371}}^1$

素因数の和:26454

約数の個数: 80

約数和(自身を含む): 4767846624

約数和(自身を除く): 2867024944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 340, 424, 530, 680, 848, 901, 1060, 1360, 1802, 2120, 3604, 4240, 4505, 7208, 9010, 14416, 18020, 26371, 36040, 52742, 72080, 105484, 131855, 210968, 263710, 421936, 448307, 527420, 896614, 1054840, 1397663, 1793228, 2109680, 2241535, 2795326, 3586456, 4483070, 5590652, 6988315, 7172912, 8966140, 11181304, 13976630, 17932280, 22362608, 23760271, 27953260, 35864560, 47520542, 55906520, 95041084, 111813040, 118801355, 190082168, 237602710, 380164336, 475205420, 950410840, 1900821680]

約数ペア:

[(1, 1900821680), (2, 950410840), (4, 475205420), (5, 380164336), (8, 237602710), (10, 190082168), (16, 118801355), (17, 111813040), (20, 95041084), (34, 55906520), (40, 47520542), (53, 35864560), (68, 27953260), (80, 23760271), (85, 22362608), (106, 17932280), (136, 13976630), (170, 11181304), (212, 8966140), (265, 7172912), (272, 6988315), (340, 5590652), (424, 4483070), (530, 3586456), (680, 2795326), (848, 2241535), (901, 2109680), (1060, 1793228), (1360, 1397663), (1802, 1054840), (2120, 896614), (3604, 527420), (4240, 448307), (4505, 421936), (7208, 263710), (9010, 210968), (14416, 131855), (18020, 105484), (26371, 72080), (36040, 52742)]