215548340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19489}}^1$

素因数の和:19584

約数の個数: 48

約数和(自身を含む): 523891200

約数和(自身を除く): 308342860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 19489, 38978, 77956, 97445, 136423, 194890, 272846, 389780, 545692, 682115, 1364230, 1539631, 2728460, 3079262, 6158524, 7698155, 10777417, 15396310, 21554834, 30792620, 43109668, 53887085, 107774170, 215548340]

約数ペア:

[(1, 215548340), (2, 107774170), (4, 53887085), (5, 43109668), (7, 30792620), (10, 21554834), (14, 15396310), (20, 10777417), (28, 7698155), (35, 6158524), (70, 3079262), (79, 2728460), (140, 1539631), (158, 1364230), (316, 682115), (395, 545692), (553, 389780), (790, 272846), (1106, 194890), (1580, 136423), (2212, 97445), (2765, 77956), (5530, 38978), (11060, 19489)]