1827140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 4537344

約数和(自身を除く): 2710204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 421, 434, 620, 842, 868, 1085, 1684, 2105, 2170, 2947, 4210, 4340, 5894, 8420, 11788, 13051, 14735, 26102, 29470, 52204, 58940, 65255, 91357, 130510, 182714, 261020, 365428, 456785, 913570, 1827140]

約数ペア:

[(1, 1827140), (2, 913570), (4, 456785), (5, 365428), (7, 261020), (10, 182714), (14, 130510), (20, 91357), (28, 65255), (31, 58940), (35, 52204), (62, 29470), (70, 26102), (124, 14735), (140, 13051), (155, 11788), (217, 8420), (310, 5894), (421, 4340), (434, 4210), (620, 2947), (842, 2170), (868, 2105), (1085, 1684)]