279689930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{991}}^1$

素因数の和:1191

約数の個数: 48

約数和(自身を含む): 548964864

約数和(自身を除く): 269274934

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 169, 334, 338, 835, 845, 991, 1670, 1690, 1982, 2171, 4342, 4955, 9910, 10855, 12883, 21710, 25766, 28223, 56446, 64415, 128830, 141115, 165497, 167479, 282230, 330994, 334958, 827485, 837395, 1654970, 1674790, 2151461, 4302922, 10757305, 21514610, 27968993, 55937986, 139844965, 279689930]

約数ペア:

[(1, 279689930), (2, 139844965), (5, 55937986), (10, 27968993), (13, 21514610), (26, 10757305), (65, 4302922), (130, 2151461), (167, 1674790), (169, 1654970), (334, 837395), (338, 827485), (835, 334958), (845, 330994), (991, 282230), (1670, 167479), (1690, 165497), (1982, 141115), (2171, 128830), (4342, 64415), (4955, 56446), (9910, 28223), (10855, 25766), (12883, 21710)]