989649780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{4799}}^1$

素因数の和:5309

約数の個数: 96

約数和(自身を含む): 3173990400

約数和(自身を除く): 2184340620

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, 491, 982, 1473, 1964, 2455, 2946, 3437, 4799, 4910, 5892, 6874, 7365, 9598, 9820, 10311, 13748, 14397, 14730, 17185, 19196, 20622, 23995, 28794, 29460, 33593, 34370, 41244, 47990, 51555, 57588, 67186, 68740, 71985, 95980, 100779, 103110, 134372, 143970, 167965, 201558, 206220, 287940, 335930, 403116, 503895, 671860, 1007790, 2015580, 2356309, 4712618, 7068927, 9425236, 11781545, 14137854, 16494163, 23563090, 28275708, 32988326, 35344635, 47126180, 49482489, 65976652, 70689270, 82470815, 98964978, 141378540, 164941630, 197929956, 247412445, 329883260, 494824890, 989649780]

約数ペア:

[(1, 989649780), (2, 494824890), (3, 329883260), (4, 247412445), (5, 197929956), (6, 164941630), (7, 141378540), (10, 98964978), (12, 82470815), (14, 70689270), (15, 65976652), (20, 49482489), (21, 47126180), (28, 35344635), (30, 32988326), (35, 28275708), (42, 23563090), (60, 16494163), (70, 14137854), (84, 11781545), (105, 9425236), (140, 7068927), (210, 4712618), (420, 2356309), (491, 2015580), (982, 1007790), (1473, 671860), (1964, 503895), (2455, 403116), (2946, 335930), (3437, 287940), (4799, 206220), (4910, 201558), (5892, 167965), (6874, 143970), (7365, 134372), (9598, 103110), (9820, 100779), (10311, 95980), (13748, 71985), (14397, 68740), (14730, 67186), (17185, 57588), (19196, 51555), (20622, 47990), (23995, 41244), (28794, 34370), (29460, 33593)]