918796620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{128683}}^1$

素因数の和:128719

約数の個数: 96

約数和(自身を含む): 3113123328

約数和(自身を除く): 2194326708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 128683, 257366, 386049, 514732, 643415, 772098, 900781, 1286830, 1544196, 1801562, 1930245, 2187611, 2573660, 2702343, 3603124, 3860490, 4375222, 4503905, 5404686, 6562833, 7720980, 8750444, 9007810, 10809372, 10938055, 13125666, 13511715, 15313277, 18015620, 21876110, 26251332, 27023430, 30626554, 32814165, 43752220, 45939831, 54046860, 61253108, 65628330, 76566385, 91879662, 131256660, 153132770, 183759324, 229699155, 306265540, 459398310, 918796620]

約数ペア:

[(1, 918796620), (2, 459398310), (3, 306265540), (4, 229699155), (5, 183759324), (6, 153132770), (7, 131256660), (10, 91879662), (12, 76566385), (14, 65628330), (15, 61253108), (17, 54046860), (20, 45939831), (21, 43752220), (28, 32814165), (30, 30626554), (34, 27023430), (35, 26251332), (42, 21876110), (51, 18015620), (60, 15313277), (68, 13511715), (70, 13125666), (84, 10938055), (85, 10809372), (102, 9007810), (105, 8750444), (119, 7720980), (140, 6562833), (170, 5404686), (204, 4503905), (210, 4375222), (238, 3860490), (255, 3603124), (340, 2702343), (357, 2573660), (420, 2187611), (476, 1930245), (510, 1801562), (595, 1544196), (714, 1286830), (1020, 900781), (1190, 772098), (1428, 643415), (1785, 514732), (2380, 386049), (3570, 257366), (7140, 128683)]