193888380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{461639}}^1$

素因数の和:461658

約数の個数: 48

約数和(自身を含む): 620444160

約数和(自身を除く): 426555780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 461639, 923278, 1384917, 1846556, 2308195, 2769834, 3231473, 4616390, 5539668, 6462946, 6924585, 9232780, 9694419, 12925892, 13849170, 16157365, 19388838, 27698340, 32314730, 38777676, 48472095, 64629460, 96944190, 193888380]

約数ペア:

[(1, 193888380), (2, 96944190), (3, 64629460), (4, 48472095), (5, 38777676), (6, 32314730), (7, 27698340), (10, 19388838), (12, 16157365), (14, 13849170), (15, 12925892), (20, 9694419), (21, 9232780), (28, 6924585), (30, 6462946), (35, 5539668), (42, 4616390), (60, 3231473), (70, 2769834), (84, 2308195), (105, 1846556), (140, 1384917), (210, 923278), (420, 461639)]