331478420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{182131}}^1$

素因数の和:182160

約数の個数: 48

約数和(自身を含む): 856748928

約数和(自身を除く): 525270508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 182131, 364262, 728524, 910655, 1274917, 1821310, 2367703, 2549834, 3642620, 4735406, 5099668, 6374585, 9470812, 11838515, 12749170, 16573921, 23677030, 25498340, 33147842, 47354060, 66295684, 82869605, 165739210, 331478420]

約数ペア:

[(1, 331478420), (2, 165739210), (4, 82869605), (5, 66295684), (7, 47354060), (10, 33147842), (13, 25498340), (14, 23677030), (20, 16573921), (26, 12749170), (28, 11838515), (35, 9470812), (52, 6374585), (65, 5099668), (70, 4735406), (91, 3642620), (130, 2549834), (140, 2367703), (182, 1821310), (260, 1274917), (364, 910655), (455, 728524), (910, 364262), (1820, 182131)]