290748692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 565213824

約数和(自身を除く): 274465132

約数列:

[1, 2, 4, 13, 26, 52, 61, 71, 122, 142, 244, 284, 793, 923, 1291, 1586, 1846, 2582, 3172, 3692, 4331, 5164, 8662, 16783, 17324, 33566, 56303, 67132, 78751, 91661, 112606, 157502, 183322, 225212, 315004, 366644, 1023763, 1191593, 2047526, 2383186, 4095052, 4766372, 5591321, 11182642, 22365284, 72687173, 145374346, 290748692]

約数ペア:

[(1, 290748692), (2, 145374346), (4, 72687173), (13, 22365284), (26, 11182642), (52, 5591321), (61, 4766372), (71, 4095052), (122, 2383186), (142, 2047526), (244, 1191593), (284, 1023763), (793, 366644), (923, 315004), (1291, 225212), (1586, 183322), (1846, 157502), (2582, 112606), (3172, 91661), (3692, 78751), (4331, 67132), (5164, 56303), (8662, 33566), (16783, 17324)]