17823642620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1793123}}^1$

素因数の和:1793210

約数の個数: 48

約数和(自身を含む): 43379255808

約数和(自身を除く): 25555613188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 1793123, 3586246, 7172492, 8965615, 12551861, 17931230, 25103722, 35862460, 50207444, 62759305, 125518610, 127311733, 251037220, 254623466, 509246932, 636558665, 891182131, 1273117330, 1782364262, 2546234660, 3564728524, 4455910655, 8911821310, 17823642620]

約数ペア:

[(1, 17823642620), (2, 8911821310), (4, 4455910655), (5, 3564728524), (7, 2546234660), (10, 1782364262), (14, 1273117330), (20, 891182131), (28, 636558665), (35, 509246932), (70, 254623466), (71, 251037220), (140, 127311733), (142, 125518610), (284, 62759305), (355, 50207444), (497, 35862460), (710, 25103722), (994, 17931230), (1420, 12551861), (1988, 8965615), (2485, 7172492), (4970, 3586246), (9940, 1793123)]