305041520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{544717}}^1$

素因数の和:544737

約数の個数: 40

約数和(自身を含む): 810540384

約数和(自身を除く): 505498864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 544717, 1089434, 2178868, 2723585, 3813019, 4357736, 5447170, 7626038, 8715472, 10894340, 15252076, 19065095, 21788680, 30504152, 38130190, 43577360, 61008304, 76260380, 152520760, 305041520]

約数ペア:

[(1, 305041520), (2, 152520760), (4, 76260380), (5, 61008304), (7, 43577360), (8, 38130190), (10, 30504152), (14, 21788680), (16, 19065095), (20, 15252076), (28, 10894340), (35, 8715472), (40, 7626038), (56, 5447170), (70, 4357736), (80, 3813019), (112, 2723585), (140, 2178868), (280, 1089434), (560, 544717)]