977494770

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1663}}^1$

素因数の和:1997

約数の個数: 128

約数和(自身を含む): 2990407680

約数和(自身を除く): 2012912910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 311, 315, 378, 622, 630, 933, 945, 1555, 1663, 1866, 1890, 2177, 2799, 3110, 3326, 4354, 4665, 4989, 5598, 6531, 8315, 8397, 9330, 9978, 10885, 11641, 13062, 13995, 14967, 16630, 16794, 19593, 21770, 23282, 24945, 27990, 29934, 32655, 34923, 39186, 41985, 44901, 49890, 58205, 58779, 65310, 69846, 74835, 83970, 89802, 97965, 104769, 116410, 117558, 149670, 174615, 195930, 209538, 224505, 293895, 314307, 349230, 449010, 517193, 523845, 587790, 628614, 1034386, 1047690, 1551579, 1571535, 2585965, 3103158, 3143070, 3620351, 4654737, 5171930, 7240702, 7757895, 9309474, 10861053, 13964211, 15515790, 18101755, 21722106, 23273685, 27928422, 32583159, 36203510, 46547370, 54305265, 65166318, 69821055, 97749477, 108610530, 139642110, 162915795, 195498954, 325831590, 488747385, 977494770]

約数ペア:

[(1, 977494770), (2, 488747385), (3, 325831590), (5, 195498954), (6, 162915795), (7, 139642110), (9, 108610530), (10, 97749477), (14, 69821055), (15, 65166318), (18, 54305265), (21, 46547370), (27, 36203510), (30, 32583159), (35, 27928422), (42, 23273685), (45, 21722106), (54, 18101755), (63, 15515790), (70, 13964211), (90, 10861053), (105, 9309474), (126, 7757895), (135, 7240702), (189, 5171930), (210, 4654737), (270, 3620351), (311, 3143070), (315, 3103158), (378, 2585965), (622, 1571535), (630, 1551579), (933, 1047690), (945, 1034386), (1555, 628614), (1663, 587790), (1866, 523845), (1890, 517193), (2177, 449010), (2799, 349230), (3110, 314307), (3326, 293895), (4354, 224505), (4665, 209538), (4989, 195930), (5598, 174615), (6531, 149670), (8315, 117558), (8397, 116410), (9330, 104769), (9978, 97965), (10885, 89802), (11641, 83970), (13062, 74835), (13995, 69846), (14967, 65310), (16630, 58779), (16794, 58205), (19593, 49890), (21770, 44901), (23282, 41985), (24945, 39186), (27990, 34923), (29934, 32655)]