678702921680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17069993}}^1$

素因数の和:17070084

約数の個数: 80

約数和(自身を含む): 1828810877184

約数和(自身を除く): 1150107955504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 39760, 17069993, 34139986, 68279972, 85349965, 119489951, 136559944, 170699930, 238979902, 273119888, 341399860, 477959804, 597449755, 682799720, 955919608, 1194899510, 1211969503, 1365599440, 1911839216, 2389799020, 2423939006, 4779598040, 4847878012, 6059847515, 8483786521, 9559196080, 9695756024, 12119695030, 16967573042, 19391512048, 24239390060, 33935146084, 42418932605, 48478780120, 67870292168, 84837865210, 96957560240, 135740584336, 169675730420, 339351460840, 678702921680]

約数ペア:

[(1, 678702921680), (2, 339351460840), (4, 169675730420), (5, 135740584336), (7, 96957560240), (8, 84837865210), (10, 67870292168), (14, 48478780120), (16, 42418932605), (20, 33935146084), (28, 24239390060), (35, 19391512048), (40, 16967573042), (56, 12119695030), (70, 9695756024), (71, 9559196080), (80, 8483786521), (112, 6059847515), (140, 4847878012), (142, 4779598040), (280, 2423939006), (284, 2389799020), (355, 1911839216), (497, 1365599440), (560, 1211969503), (568, 1194899510), (710, 955919608), (994, 682799720), (1136, 597449755), (1420, 477959804), (1988, 341399860), (2485, 273119888), (2840, 238979902), (3976, 170699930), (4970, 136559944), (5680, 119489951), (7952, 85349965), (9940, 68279972), (19880, 34139986), (39760, 17069993)]