2998940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 7440384

約数和(自身を除く): 4441444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 691, 868, 1085, 1382, 2170, 2764, 3455, 4340, 4837, 6910, 9674, 13820, 19348, 21421, 24185, 42842, 48370, 85684, 96740, 107105, 149947, 214210, 299894, 428420, 599788, 749735, 1499470, 2998940]

約数ペア:

[(1, 2998940), (2, 1499470), (4, 749735), (5, 599788), (7, 428420), (10, 299894), (14, 214210), (20, 149947), (28, 107105), (31, 96740), (35, 85684), (62, 48370), (70, 42842), (124, 24185), (140, 21421), (155, 19348), (217, 13820), (310, 9674), (434, 6910), (620, 4837), (691, 4340), (868, 3455), (1085, 2764), (1382, 2170)]