208789630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3163}}^1$

素因数の和:3241

約数の個数: 64

約数和(自身を含む): 459260928

約数和(自身を除く): 250471298

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 41, 46, 70, 82, 115, 161, 205, 230, 287, 322, 410, 574, 805, 943, 1435, 1610, 1886, 2870, 3163, 4715, 6326, 6601, 9430, 13202, 15815, 22141, 31630, 33005, 44282, 66010, 72749, 110705, 129683, 145498, 221410, 259366, 363745, 509243, 648415, 727490, 907781, 1018486, 1296830, 1815562, 2546215, 2982709, 4538905, 5092430, 5965418, 9077810, 14913545, 20878963, 29827090, 41757926, 104394815, 208789630]

約数ペア:

[(1, 208789630), (2, 104394815), (5, 41757926), (7, 29827090), (10, 20878963), (14, 14913545), (23, 9077810), (35, 5965418), (41, 5092430), (46, 4538905), (70, 2982709), (82, 2546215), (115, 1815562), (161, 1296830), (205, 1018486), (230, 907781), (287, 727490), (322, 648415), (410, 509243), (574, 363745), (805, 259366), (943, 221410), (1435, 145498), (1610, 129683), (1886, 110705), (2870, 72749), (3163, 66010), (4715, 44282), (6326, 33005), (6601, 31630), (9430, 22141), (13202, 15815)]