218349740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{50311}}^1$

素因数の和:50358

約数の個数: 48

約数和(自身を含む): 540954624

約数和(自身を除く): 322604884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 50311, 100622, 201244, 251555, 352177, 503110, 704354, 1006220, 1408708, 1559641, 1760885, 3119282, 3521770, 6238564, 7043540, 7798205, 10917487, 15596410, 21834974, 31192820, 43669948, 54587435, 109174870, 218349740]

約数ペア:

[(1, 218349740), (2, 109174870), (4, 54587435), (5, 43669948), (7, 31192820), (10, 21834974), (14, 15596410), (20, 10917487), (28, 7798205), (31, 7043540), (35, 6238564), (62, 3521770), (70, 3119282), (124, 1760885), (140, 1559641), (155, 1408708), (217, 1006220), (310, 704354), (434, 503110), (620, 352177), (868, 251555), (1085, 201244), (2170, 100622), (4340, 50311)]