27730690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 29926910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 103, 109, 130, 190, 206, 218, 247, 494, 515, 545, 1030, 1090, 1235, 1339, 1417, 1957, 2071, 2470, 2678, 2834, 3914, 4142, 6695, 7085, 9785, 10355, 11227, 13390, 14170, 19570, 20710, 22454, 25441, 26923, 50882, 53846, 56135, 112270, 127205, 134615, 145951, 213313, 254410, 269230, 291902, 426626, 729755, 1066565, 1459510, 2133130, 2773069, 5546138, 13865345, 27730690]

約数ペア:

[(1, 27730690), (2, 13865345), (5, 5546138), (10, 2773069), (13, 2133130), (19, 1459510), (26, 1066565), (38, 729755), (65, 426626), (95, 291902), (103, 269230), (109, 254410), (130, 213313), (190, 145951), (206, 134615), (218, 127205), (247, 112270), (494, 56135), (515, 53846), (545, 50882), (1030, 26923), (1090, 25441), (1235, 22454), (1339, 20710), (1417, 19570), (1957, 14170), (2071, 13390), (2470, 11227), (2678, 10355), (2834, 9785), (3914, 7085), (4142, 6695)]