2019911320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{3251}}^1$

素因数の和:3593

約数の個数: 96

約数和(自身を含む): 5305117680

約数和(自身を除く): 3285206360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 317, 392, 490, 634, 980, 1268, 1585, 1960, 2219, 2536, 3170, 3251, 4438, 6340, 6502, 8876, 11095, 12680, 13004, 15533, 16255, 17752, 22190, 22757, 26008, 31066, 32510, 44380, 45514, 62132, 65020, 77665, 88760, 91028, 113785, 124264, 130040, 155330, 159299, 182056, 227570, 310660, 318598, 455140, 621320, 637196, 796495, 910280, 1030567, 1274392, 1592990, 2061134, 3185980, 4122268, 5152835, 6371960, 7213969, 8244536, 10305670, 14427938, 20611340, 28855876, 36069845, 41222680, 50497783, 57711752, 72139690, 100995566, 144279380, 201991132, 252488915, 288558760, 403982264, 504977830, 1009955660, 2019911320]

約数ペア:

[(1, 2019911320), (2, 1009955660), (4, 504977830), (5, 403982264), (7, 288558760), (8, 252488915), (10, 201991132), (14, 144279380), (20, 100995566), (28, 72139690), (35, 57711752), (40, 50497783), (49, 41222680), (56, 36069845), (70, 28855876), (98, 20611340), (140, 14427938), (196, 10305670), (245, 8244536), (280, 7213969), (317, 6371960), (392, 5152835), (490, 4122268), (634, 3185980), (980, 2061134), (1268, 1592990), (1585, 1274392), (1960, 1030567), (2219, 910280), (2536, 796495), (3170, 637196), (3251, 621320), (4438, 455140), (6340, 318598), (6502, 310660), (8876, 227570), (11095, 182056), (12680, 159299), (13004, 155330), (15533, 130040), (16255, 124264), (17752, 113785), (22190, 91028), (22757, 88760), (26008, 77665), (31066, 65020), (32510, 62132), (44380, 45514)]