290721242

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 571463424

約数和(自身を除く): 280742182

約数列:

[1, 2, 7, 14, 19, 23, 38, 41, 46, 61, 82, 122, 133, 161, 266, 287, 322, 361, 427, 437, 574, 722, 779, 854, 874, 943, 1159, 1403, 1558, 1886, 2318, 2501, 2527, 2806, 3059, 5002, 5054, 5453, 6118, 6601, 8113, 8303, 9821, 10906, 13202, 14801, 16226, 16606, 17507, 17917, 19642, 22021, 26657, 29602, 35014, 35834, 44042, 47519, 53314, 57523, 58121, 95038, 103607, 115046, 116242, 125419, 154147, 186599, 207214, 250838, 308294, 332633, 340423, 373198, 402661, 506483, 665266, 680846, 805322, 902861, 1012966, 1092937, 1805722, 2185874, 2382961, 3545381, 4765922, 6320027, 7090762, 7650559, 12640054, 15301118, 20765803, 41531606, 145360621, 290721242]

約数ペア:

[(1, 290721242), (2, 145360621), (7, 41531606), (14, 20765803), (19, 15301118), (23, 12640054), (38, 7650559), (41, 7090762), (46, 6320027), (61, 4765922), (82, 3545381), (122, 2382961), (133, 2185874), (161, 1805722), (266, 1092937), (287, 1012966), (322, 902861), (361, 805322), (427, 680846), (437, 665266), (574, 506483), (722, 402661), (779, 373198), (854, 340423), (874, 332633), (943, 308294), (1159, 250838), (1403, 207214), (1558, 186599), (1886, 154147), (2318, 125419), (2501, 116242), (2527, 115046), (2806, 103607), (3059, 95038), (5002, 58121), (5054, 57523), (5453, 53314), (6118, 47519), (6601, 44042), (8113, 35834), (8303, 35014), (9821, 29602), (10906, 26657), (13202, 22021), (14801, 19642), (16226, 17917), (16606, 17507)]