173680420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4909}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 383569200

約数和(自身を除く): 209888780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 4909, 7076, 8845, 9818, 17690, 19636, 24545, 35380, 49090, 98180, 142361, 284722, 299449, 569444, 598898, 711805, 1197796, 1423610, 1497245, 2847220, 2994490, 5988980, 8684021, 17368042, 34736084, 43420105, 86840210, 173680420]

約数ペア:

[(1, 173680420), (2, 86840210), (4, 43420105), (5, 34736084), (10, 17368042), (20, 8684021), (29, 5988980), (58, 2994490), (61, 2847220), (116, 1497245), (122, 1423610), (145, 1197796), (244, 711805), (290, 598898), (305, 569444), (580, 299449), (610, 284722), (1220, 142361), (1769, 98180), (3538, 49090), (4909, 35380), (7076, 24545), (8845, 19636), (9818, 17690)]