209018460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{497663}}^1$

素因数の和:497682

約数の個数: 48

約数和(自身を含む): 668860416

約数和(自身を除く): 459841956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 497663, 995326, 1492989, 1990652, 2488315, 2985978, 3483641, 4976630, 5971956, 6967282, 7464945, 9953260, 10450923, 13934564, 14929890, 17418205, 20901846, 29859780, 34836410, 41803692, 52254615, 69672820, 104509230, 209018460]

約数ペア:

[(1, 209018460), (2, 104509230), (3, 69672820), (4, 52254615), (5, 41803692), (6, 34836410), (7, 29859780), (10, 20901846), (12, 17418205), (14, 14929890), (15, 13934564), (20, 10450923), (21, 9953260), (28, 7464945), (30, 6967282), (35, 5971956), (42, 4976630), (60, 3483641), (70, 2985978), (84, 2488315), (105, 1990652), (140, 1492989), (210, 995326), (420, 497663)]