1339290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 3639168

約数和(自身を除く): 2299878

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 647, 690, 1035, 1294, 1941, 2070, 3235, 3882, 5823, 6470, 9705, 11646, 14881, 19410, 29115, 29762, 44643, 58230, 74405, 89286, 133929, 148810, 223215, 267858, 446430, 669645, 1339290]

約数ペア:

[(1, 1339290), (2, 669645), (3, 446430), (5, 267858), (6, 223215), (9, 148810), (10, 133929), (15, 89286), (18, 74405), (23, 58230), (30, 44643), (45, 29762), (46, 29115), (69, 19410), (90, 14881), (115, 11646), (138, 9705), (207, 6470), (230, 5823), (345, 3882), (414, 3235), (647, 2070), (690, 1941), (1035, 1294)]