290251390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{202973}}^1$

素因数の和:203004

約数の個数: 32

約数和(自身を含む): 613793376

約数和(自身を除く): 323541986

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 202973, 405946, 1014865, 2029730, 2232703, 2638649, 4465406, 5277298, 11163515, 13193245, 22327030, 26386490, 29025139, 58050278, 145125695, 290251390]

約数ペア:

[(1, 290251390), (2, 145125695), (5, 58050278), (10, 29025139), (11, 26386490), (13, 22327030), (22, 13193245), (26, 11163515), (55, 5277298), (65, 4465406), (110, 2638649), (130, 2232703), (143, 2029730), (286, 1014865), (715, 405946), (1430, 202973)]