207709880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12161}}^1$

素因数の和:12240

約数の個数: 64

約数和(自身を含む): 542911680

約数和(自身を除く): 335201800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 12161, 17080, 24322, 48644, 60805, 85127, 97288, 121610, 170254, 243220, 340508, 425635, 486440, 681016, 741821, 851270, 1483642, 1702540, 2967284, 3405080, 3709105, 5192747, 5934568, 7418210, 10385494, 14836420, 20770988, 25963735, 29672840, 41541976, 51927470, 103854940, 207709880]

約数ペア:

[(1, 207709880), (2, 103854940), (4, 51927470), (5, 41541976), (7, 29672840), (8, 25963735), (10, 20770988), (14, 14836420), (20, 10385494), (28, 7418210), (35, 5934568), (40, 5192747), (56, 3709105), (61, 3405080), (70, 2967284), (122, 1702540), (140, 1483642), (244, 851270), (280, 741821), (305, 681016), (427, 486440), (488, 425635), (610, 340508), (854, 243220), (1220, 170254), (1708, 121610), (2135, 97288), (2440, 85127), (3416, 60805), (4270, 48644), (8540, 24322), (12161, 17080)]