278316850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2003}}^1$

素因数の和:2419

約数の個数: 48

約数和(自身を含む): 593408448

約数和(自身を除く): 315091598

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 397, 794, 1985, 2003, 2779, 3970, 4006, 5558, 9925, 10015, 13895, 14021, 19850, 20030, 27790, 28042, 50075, 69475, 70105, 100150, 138950, 140210, 350525, 701050, 795191, 1590382, 3975955, 5566337, 7951910, 11132674, 19879775, 27831685, 39759550, 55663370, 139158425, 278316850]

約数ペア:

[(1, 278316850), (2, 139158425), (5, 55663370), (7, 39759550), (10, 27831685), (14, 19879775), (25, 11132674), (35, 7951910), (50, 5566337), (70, 3975955), (175, 1590382), (350, 795191), (397, 701050), (794, 350525), (1985, 140210), (2003, 138950), (2779, 100150), (3970, 70105), (4006, 69475), (5558, 50075), (9925, 28042), (10015, 27790), (13895, 20030), (14021, 19850)]