19641569080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3967}}^1\times {\mathrm{17683}}^1$

素因数の和:21668

約数の個数: 64

約数和(自身を含む): 50522480640

約数和(自身を除く): 30880911560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3967, 7934, 15868, 17683, 19835, 27769, 31736, 35366, 39670, 55538, 70732, 79340, 88415, 111076, 123781, 138845, 141464, 158680, 176830, 222152, 247562, 277690, 353660, 495124, 555380, 618905, 707320, 990248, 1110760, 1237810, 2475620, 4951240, 70148461, 140296922, 280593844, 350742305, 491039227, 561187688, 701484610, 982078454, 1402969220, 1964156908, 2455196135, 2805938440, 3928313816, 4910392270, 9820784540, 19641569080]

約数ペア:

[(1, 19641569080), (2, 9820784540), (4, 4910392270), (5, 3928313816), (7, 2805938440), (8, 2455196135), (10, 1964156908), (14, 1402969220), (20, 982078454), (28, 701484610), (35, 561187688), (40, 491039227), (56, 350742305), (70, 280593844), (140, 140296922), (280, 70148461), (3967, 4951240), (7934, 2475620), (15868, 1237810), (17683, 1110760), (19835, 990248), (27769, 707320), (31736, 618905), (35366, 555380), (39670, 495124), (55538, 353660), (70732, 277690), (79340, 247562), (88415, 222152), (111076, 176830), (123781, 158680), (138845, 141464)]