198556680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{236377}}^1$

素因数の和:236398

約数の個数: 64

約数和(自身を含む): 680768640

約数和(自身を除く): 482211960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 236377, 472754, 709131, 945508, 1181885, 1418262, 1654639, 1891016, 2363770, 2836524, 3309278, 3545655, 4727540, 4963917, 5673048, 6618556, 7091310, 8273195, 9455080, 9927834, 13237112, 14182620, 16546390, 19855668, 24819585, 28365240, 33092780, 39711336, 49639170, 66185560, 99278340, 198556680]

約数ペア:

[(1, 198556680), (2, 99278340), (3, 66185560), (4, 49639170), (5, 39711336), (6, 33092780), (7, 28365240), (8, 24819585), (10, 19855668), (12, 16546390), (14, 14182620), (15, 13237112), (20, 9927834), (21, 9455080), (24, 8273195), (28, 7091310), (30, 6618556), (35, 5673048), (40, 4963917), (42, 4727540), (56, 3545655), (60, 3309278), (70, 2836524), (84, 2363770), (105, 1891016), (120, 1654639), (140, 1418262), (168, 1181885), (210, 945508), (280, 709131), (420, 472754), (840, 236377)]