2006290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 4499712

約数和(自身を除く): 2493422

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 61, 65, 110, 115, 122, 130, 143, 230, 253, 286, 299, 305, 506, 598, 610, 671, 715, 793, 1265, 1342, 1403, 1430, 1495, 1586, 2530, 2806, 2990, 3289, 3355, 3965, 6578, 6710, 7015, 7930, 8723, 14030, 15433, 16445, 17446, 18239, 30866, 32890, 36478, 43615, 77165, 87230, 91195, 154330, 182390, 200629, 401258, 1003145, 2006290]

約数ペア:

[(1, 2006290), (2, 1003145), (5, 401258), (10, 200629), (11, 182390), (13, 154330), (22, 91195), (23, 87230), (26, 77165), (46, 43615), (55, 36478), (61, 32890), (65, 30866), (110, 18239), (115, 17446), (122, 16445), (130, 15433), (143, 14030), (230, 8723), (253, 7930), (286, 7015), (299, 6710), (305, 6578), (506, 3965), (598, 3355), (610, 3289), (671, 2990), (715, 2806), (793, 2530), (1265, 1586), (1342, 1495), (1403, 1430)]