749245280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:677

約数の個数: 144

約数和(自身を含む): 2073069936

約数和(自身を除く): 1323824656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 227, 245, 280, 392, 421, 454, 490, 560, 784, 842, 908, 980, 1120, 1135, 1568, 1589, 1684, 1816, 1960, 2105, 2270, 2947, 3178, 3368, 3632, 3920, 4210, 4540, 5894, 6356, 6736, 7264, 7840, 7945, 8420, 9080, 11123, 11788, 12712, 13472, 14735, 15890, 16840, 18160, 20629, 22246, 23576, 25424, 29470, 31780, 33680, 36320, 41258, 44492, 47152, 50848, 55615, 58940, 63560, 67360, 82516, 88984, 94304, 95567, 103145, 111230, 117880, 127120, 165032, 177968, 191134, 206290, 222460, 235760, 254240, 330064, 355936, 382268, 412580, 444920, 471520, 477835, 660128, 668969, 764536, 825160, 889840, 955670, 1337938, 1529072, 1650320, 1779680, 1911340, 2675876, 3058144, 3300640, 3344845, 3822680, 4682783, 5351752, 6689690, 7645360, 9365566, 10703504, 13379380, 15290720, 18731132, 21407008, 23413915, 26758760, 37462264, 46827830, 53517520, 74924528, 93655660, 107035040, 149849056, 187311320, 374622640, 749245280]

約数ペア:

[(1, 749245280), (2, 374622640), (4, 187311320), (5, 149849056), (7, 107035040), (8, 93655660), (10, 74924528), (14, 53517520), (16, 46827830), (20, 37462264), (28, 26758760), (32, 23413915), (35, 21407008), (40, 18731132), (49, 15290720), (56, 13379380), (70, 10703504), (80, 9365566), (98, 7645360), (112, 6689690), (140, 5351752), (160, 4682783), (196, 3822680), (224, 3344845), (227, 3300640), (245, 3058144), (280, 2675876), (392, 1911340), (421, 1779680), (454, 1650320), (490, 1529072), (560, 1337938), (784, 955670), (842, 889840), (908, 825160), (980, 764536), (1120, 668969), (1135, 660128), (1568, 477835), (1589, 471520), (1684, 444920), (1816, 412580), (1960, 382268), (2105, 355936), (2270, 330064), (2947, 254240), (3178, 235760), (3368, 222460), (3632, 206290), (3920, 191134), (4210, 177968), (4540, 165032), (5894, 127120), (6356, 117880), (6736, 111230), (7264, 103145), (7840, 95567), (7945, 94304), (8420, 88984), (9080, 82516), (11123, 67360), (11788, 63560), (12712, 58940), (13472, 55615), (14735, 50848), (15890, 47152), (16840, 44492), (18160, 41258), (20629, 36320), (22246, 33680), (23576, 31780), (25424, 29470)]