1657911080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:992

約数の個数: 128

約数和(自身を含む): 4384800000

約数和(自身を除く): 2726888920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 149, 196, 245, 280, 298, 343, 392, 490, 596, 686, 745, 811, 980, 1043, 1192, 1372, 1490, 1622, 1715, 1960, 2086, 2744, 2980, 3244, 3430, 4055, 4172, 5215, 5677, 5960, 6488, 6860, 7301, 8110, 8344, 10430, 11354, 13720, 14602, 16220, 20860, 22708, 28385, 29204, 32440, 36505, 39739, 41720, 45416, 51107, 56770, 58408, 73010, 79478, 102214, 113540, 120839, 146020, 158956, 198695, 204428, 227080, 241678, 255535, 278173, 292040, 317912, 397390, 408856, 483356, 511070, 556346, 604195, 794780, 845873, 966712, 1022140, 1112692, 1208390, 1390865, 1589560, 1691746, 2044280, 2225384, 2416780, 2781730, 3383492, 4229365, 4833560, 5563460, 5921111, 6766984, 8458730, 11126920, 11842222, 16917460, 23684444, 29605555, 33834920, 41447777, 47368888, 59211110, 82895554, 118422220, 165791108, 207238885, 236844440, 331582216, 414477770, 828955540, 1657911080]

約数ペア:

[(1, 1657911080), (2, 828955540), (4, 414477770), (5, 331582216), (7, 236844440), (8, 207238885), (10, 165791108), (14, 118422220), (20, 82895554), (28, 59211110), (35, 47368888), (40, 41447777), (49, 33834920), (56, 29605555), (70, 23684444), (98, 16917460), (140, 11842222), (149, 11126920), (196, 8458730), (245, 6766984), (280, 5921111), (298, 5563460), (343, 4833560), (392, 4229365), (490, 3383492), (596, 2781730), (686, 2416780), (745, 2225384), (811, 2044280), (980, 1691746), (1043, 1589560), (1192, 1390865), (1372, 1208390), (1490, 1112692), (1622, 1022140), (1715, 966712), (1960, 845873), (2086, 794780), (2744, 604195), (2980, 556346), (3244, 511070), (3430, 483356), (4055, 408856), (4172, 397390), (5215, 317912), (5677, 292040), (5960, 278173), (6488, 255535), (6860, 241678), (7301, 227080), (8110, 204428), (8344, 198695), (10430, 158956), (11354, 146020), (13720, 120839), (14602, 113540), (16220, 102214), (20860, 79478), (22708, 73010), (28385, 58408), (29204, 56770), (32440, 51107), (36505, 45416), (39739, 41720)]