83961380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 192984120

約数和(自身を除く): 109022740

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 361, 380, 401, 551, 580, 722, 802, 1102, 1444, 1604, 1805, 2005, 2204, 2755, 3610, 4010, 5510, 7220, 7619, 8020, 10469, 11020, 11629, 15238, 20938, 23258, 30476, 38095, 41876, 46516, 52345, 58145, 76190, 104690, 116290, 144761, 152380, 209380, 220951, 232580, 289522, 441902, 579044, 723805, 883804, 1104755, 1447610, 2209510, 2895220, 4198069, 4419020, 8396138, 16792276, 20990345, 41980690, 83961380]

約数ペア:

[(1, 83961380), (2, 41980690), (4, 20990345), (5, 16792276), (10, 8396138), (19, 4419020), (20, 4198069), (29, 2895220), (38, 2209510), (58, 1447610), (76, 1104755), (95, 883804), (116, 723805), (145, 579044), (190, 441902), (290, 289522), (361, 232580), (380, 220951), (401, 209380), (551, 152380), (580, 144761), (722, 116290), (802, 104690), (1102, 76190), (1444, 58145), (1604, 52345), (1805, 46516), (2005, 41876), (2204, 38095), (2755, 30476), (3610, 23258), (4010, 20938), (5510, 15238), (7220, 11629), (7619, 11020), (8020, 10469)]