489245820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1732

約数の個数: 192

約数和(自身を含む): 1693547520

約数和(自身を除く): 1204301700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 37, 38, 42, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 133, 140, 148, 185, 190, 210, 222, 228, 259, 266, 285, 370, 380, 399, 420, 444, 518, 532, 555, 570, 665, 703, 740, 777, 798, 1036, 1110, 1140, 1295, 1330, 1406, 1554, 1596, 1657, 1995, 2109, 2220, 2590, 2660, 2812, 3108, 3314, 3515, 3885, 3990, 4218, 4921, 4971, 5180, 6628, 7030, 7770, 7980, 8285, 8436, 9842, 9942, 10545, 11599, 14060, 14763, 15540, 16570, 19684, 19884, 21090, 23198, 24605, 24855, 29526, 31483, 33140, 34797, 42180, 46396, 49210, 49710, 57995, 59052, 61309, 62966, 69594, 73815, 94449, 98420, 99420, 115990, 122618, 125932, 139188, 147630, 157415, 173985, 183927, 188898, 220381, 231980, 245236, 295260, 306545, 314830, 347970, 367854, 377796, 429163, 440762, 472245, 613090, 629660, 661143, 695940, 735708, 858326, 881524, 919635, 944490, 1101905, 1164871, 1226180, 1287489, 1322286, 1716652, 1839270, 1888980, 2145815, 2203810, 2329742, 2574978, 2644572, 3305715, 3494613, 3678540, 4291630, 4407620, 4659484, 5149956, 5824355, 6437445, 6611430, 6989226, 8154097, 8583260, 11648710, 12874890, 13222860, 13978452, 16308194, 17473065, 23297420, 24462291, 25749780, 32616388, 34946130, 40770485, 48924582, 69892260, 81540970, 97849164, 122311455, 163081940, 244622910, 489245820]

約数ペア:

[(1, 489245820), (2, 244622910), (3, 163081940), (4, 122311455), (5, 97849164), (6, 81540970), (7, 69892260), (10, 48924582), (12, 40770485), (14, 34946130), (15, 32616388), (19, 25749780), (20, 24462291), (21, 23297420), (28, 17473065), (30, 16308194), (35, 13978452), (37, 13222860), (38, 12874890), (42, 11648710), (57, 8583260), (60, 8154097), (70, 6989226), (74, 6611430), (76, 6437445), (84, 5824355), (95, 5149956), (105, 4659484), (111, 4407620), (114, 4291630), (133, 3678540), (140, 3494613), (148, 3305715), (185, 2644572), (190, 2574978), (210, 2329742), (222, 2203810), (228, 2145815), (259, 1888980), (266, 1839270), (285, 1716652), (370, 1322286), (380, 1287489), (399, 1226180), (420, 1164871), (444, 1101905), (518, 944490), (532, 919635), (555, 881524), (570, 858326), (665, 735708), (703, 695940), (740, 661143), (777, 629660), (798, 613090), (1036, 472245), (1110, 440762), (1140, 429163), (1295, 377796), (1330, 367854), (1406, 347970), (1554, 314830), (1596, 306545), (1657, 295260), (1995, 245236), (2109, 231980), (2220, 220381), (2590, 188898), (2660, 183927), (2812, 173985), (3108, 157415), (3314, 147630), (3515, 139188), (3885, 125932), (3990, 122618), (4218, 115990), (4921, 99420), (4971, 98420), (5180, 94449), (6628, 73815), (7030, 69594), (7770, 62966), (7980, 61309), (8285, 59052), (8436, 57995), (9842, 49710), (9942, 49210), (10545, 46396), (11599, 42180), (14060, 34797), (14763, 33140), (15540, 31483), (16570, 29526), (19684, 24855), (19884, 24605), (21090, 23198)]