2055173680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{74897}}^1$

素因数の和:74931

約数の個数: 80

約数和(自身を含む): 5572411200

約数和(自身を除く): 3517237520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 13720, 27440, 74897, 149794, 299588, 374485, 524279, 599176, 748970, 1048558, 1198352, 1497940, 2097116, 2621395, 2995880, 3669953, 4194232, 5242790, 5991760, 7339906, 8388464, 10485580, 14679812, 18349765, 20971160, 25689671, 29359624, 36699530, 41942320, 51379342, 58719248, 73399060, 102758684, 128448355, 146798120, 205517368, 256896710, 293596240, 411034736, 513793420, 1027586840, 2055173680]

約数ペア:

[(1, 2055173680), (2, 1027586840), (4, 513793420), (5, 411034736), (7, 293596240), (8, 256896710), (10, 205517368), (14, 146798120), (16, 128448355), (20, 102758684), (28, 73399060), (35, 58719248), (40, 51379342), (49, 41942320), (56, 36699530), (70, 29359624), (80, 25689671), (98, 20971160), (112, 18349765), (140, 14679812), (196, 10485580), (245, 8388464), (280, 7339906), (343, 5991760), (392, 5242790), (490, 4194232), (560, 3669953), (686, 2995880), (784, 2621395), (980, 2097116), (1372, 1497940), (1715, 1198352), (1960, 1048558), (2744, 748970), (3430, 599176), (3920, 524279), (5488, 374485), (6860, 299588), (13720, 149794), (27440, 74897)]