678468280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{6983}}^1$

素因数の和:7348

約数の個数: 64

約数和(自身を含む): 1749911040

約数和(自身を除く): 1071442760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 347, 694, 1388, 1735, 2429, 2776, 3470, 4858, 6940, 6983, 9716, 12145, 13880, 13966, 19432, 24290, 27932, 34915, 48580, 48881, 55864, 69830, 97160, 97762, 139660, 195524, 244405, 279320, 391048, 488810, 977620, 1955240, 2423101, 4846202, 9692404, 12115505, 16961707, 19384808, 24231010, 33923414, 48462020, 67846828, 84808535, 96924040, 135693656, 169617070, 339234140, 678468280]

約数ペア:

[(1, 678468280), (2, 339234140), (4, 169617070), (5, 135693656), (7, 96924040), (8, 84808535), (10, 67846828), (14, 48462020), (20, 33923414), (28, 24231010), (35, 19384808), (40, 16961707), (56, 12115505), (70, 9692404), (140, 4846202), (280, 2423101), (347, 1955240), (694, 977620), (1388, 488810), (1735, 391048), (2429, 279320), (2776, 244405), (3470, 195524), (4858, 139660), (6940, 97762), (6983, 97160), (9716, 69830), (12145, 55864), (13880, 48881), (13966, 48580), (19432, 34915), (24290, 27932)]