2784990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 7430976

約数和(自身を除く): 4645986

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 193, 195, 222, 370, 386, 390, 481, 555, 579, 962, 965, 1110, 1158, 1443, 1930, 2405, 2509, 2886, 2895, 4810, 5018, 5790, 7141, 7215, 7527, 12545, 14282, 14430, 15054, 21423, 25090, 35705, 37635, 42846, 71410, 75270, 92833, 107115, 185666, 214230, 278499, 464165, 556998, 928330, 1392495, 2784990]

約数ペア:

[(1, 2784990), (2, 1392495), (3, 928330), (5, 556998), (6, 464165), (10, 278499), (13, 214230), (15, 185666), (26, 107115), (30, 92833), (37, 75270), (39, 71410), (65, 42846), (74, 37635), (78, 35705), (111, 25090), (130, 21423), (185, 15054), (193, 14430), (195, 14282), (222, 12545), (370, 7527), (386, 7215), (390, 7141), (481, 5790), (555, 5018), (579, 4810), (962, 2895), (965, 2886), (1110, 2509), (1158, 2405), (1443, 1930)]