6890380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 17236800

約数和(自身を除く): 10346420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 89, 98, 140, 158, 178, 196, 245, 316, 356, 395, 445, 490, 553, 623, 790, 890, 980, 1106, 1246, 1580, 1780, 2212, 2492, 2765, 3115, 3871, 4361, 5530, 6230, 7031, 7742, 8722, 11060, 12460, 14062, 15484, 17444, 19355, 21805, 28124, 35155, 38710, 43610, 49217, 70310, 77420, 87220, 98434, 140620, 196868, 246085, 344519, 492170, 689038, 984340, 1378076, 1722595, 3445190, 6890380]

約数ペア:

[(1, 6890380), (2, 3445190), (4, 1722595), (5, 1378076), (7, 984340), (10, 689038), (14, 492170), (20, 344519), (28, 246085), (35, 196868), (49, 140620), (70, 98434), (79, 87220), (89, 77420), (98, 70310), (140, 49217), (158, 43610), (178, 38710), (196, 35155), (245, 28124), (316, 21805), (356, 19355), (395, 17444), (445, 15484), (490, 14062), (553, 12460), (623, 11060), (790, 8722), (890, 7742), (980, 7031), (1106, 6230), (1246, 5530), (1580, 4361), (1780, 3871), (2212, 3115), (2492, 2765)]