2502680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 6156000

約数和(自身を除く): 3653320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 89, 95, 148, 152, 178, 185, 190, 296, 356, 370, 380, 445, 703, 712, 740, 760, 890, 1406, 1480, 1691, 1780, 2812, 3293, 3382, 3515, 3560, 5624, 6586, 6764, 7030, 8455, 13172, 13528, 14060, 16465, 16910, 26344, 28120, 32930, 33820, 62567, 65860, 67640, 125134, 131720, 250268, 312835, 500536, 625670, 1251340, 2502680]

約数ペア:

[(1, 2502680), (2, 1251340), (4, 625670), (5, 500536), (8, 312835), (10, 250268), (19, 131720), (20, 125134), (37, 67640), (38, 65860), (40, 62567), (74, 33820), (76, 32930), (89, 28120), (95, 26344), (148, 16910), (152, 16465), (178, 14060), (185, 13528), (190, 13172), (296, 8455), (356, 7030), (370, 6764), (380, 6586), (445, 5624), (703, 3560), (712, 3515), (740, 3382), (760, 3293), (890, 2812), (1406, 1780), (1480, 1691)]