1900216360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{10267}}^1$

素因数の和:10946

約数の個数: 64

約数和(自身を含む): 4894139520

約数和(自身を除く): 2993923160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 661, 1322, 2644, 3305, 4627, 5288, 6610, 9254, 10267, 13220, 18508, 20534, 23135, 26440, 37016, 41068, 46270, 51335, 71869, 82136, 92540, 102670, 143738, 185080, 205340, 287476, 359345, 410680, 574952, 718690, 1437380, 2874760, 6786487, 13572974, 27145948, 33932435, 47505409, 54291896, 67864870, 95010818, 135729740, 190021636, 237527045, 271459480, 380043272, 475054090, 950108180, 1900216360]

約数ペア:

[(1, 1900216360), (2, 950108180), (4, 475054090), (5, 380043272), (7, 271459480), (8, 237527045), (10, 190021636), (14, 135729740), (20, 95010818), (28, 67864870), (35, 54291896), (40, 47505409), (56, 33932435), (70, 27145948), (140, 13572974), (280, 6786487), (661, 2874760), (1322, 1437380), (2644, 718690), (3305, 574952), (4627, 410680), (5288, 359345), (6610, 287476), (9254, 205340), (10267, 185080), (13220, 143738), (18508, 102670), (20534, 92540), (23135, 82136), (26440, 71869), (37016, 51335), (41068, 46270)]