98878780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 281534400

約数和(自身を除く): 182655620

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 121, 130, 140, 143, 154, 182, 220, 242, 260, 286, 308, 364, 385, 449, 455, 484, 572, 605, 715, 770, 847, 898, 910, 1001, 1210, 1430, 1540, 1573, 1694, 1796, 1820, 2002, 2245, 2420, 2860, 3143, 3146, 3388, 4004, 4235, 4490, 4939, 5005, 5837, 6286, 6292, 7865, 8470, 8980, 9878, 10010, 11011, 11674, 12572, 15715, 15730, 16940, 19756, 20020, 22022, 23348, 24695, 29185, 31430, 31460, 34573, 40859, 44044, 49390, 54329, 55055, 58370, 62860, 64207, 69146, 81718, 98780, 108658, 110110, 116740, 128414, 138292, 163436, 172865, 204295, 217316, 220220, 256828, 271645, 321035, 345730, 380303, 408590, 449449, 543290, 642070, 691460, 706277, 760606, 817180, 898898, 1086580, 1284140, 1412554, 1521212, 1797796, 1901515, 2247245, 2825108, 3531385, 3803030, 4494490, 4943939, 7062770, 7606060, 8988980, 9887878, 14125540, 19775756, 24719695, 49439390, 98878780]

約数ペア:

[(1, 98878780), (2, 49439390), (4, 24719695), (5, 19775756), (7, 14125540), (10, 9887878), (11, 8988980), (13, 7606060), (14, 7062770), (20, 4943939), (22, 4494490), (26, 3803030), (28, 3531385), (35, 2825108), (44, 2247245), (52, 1901515), (55, 1797796), (65, 1521212), (70, 1412554), (77, 1284140), (91, 1086580), (110, 898898), (121, 817180), (130, 760606), (140, 706277), (143, 691460), (154, 642070), (182, 543290), (220, 449449), (242, 408590), (260, 380303), (286, 345730), (308, 321035), (364, 271645), (385, 256828), (449, 220220), (455, 217316), (484, 204295), (572, 172865), (605, 163436), (715, 138292), (770, 128414), (847, 116740), (898, 110110), (910, 108658), (1001, 98780), (1210, 81718), (1430, 69146), (1540, 64207), (1573, 62860), (1694, 58370), (1796, 55055), (1820, 54329), (2002, 49390), (2245, 44044), (2420, 40859), (2860, 34573), (3143, 31460), (3146, 31430), (3388, 29185), (4004, 24695), (4235, 23348), (4490, 22022), (4939, 20020), (5005, 19756), (5837, 16940), (6286, 15730), (6292, 15715), (7865, 12572), (8470, 11674), (8980, 11011), (9878, 10010)]