150781820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2903}}^1$

素因数の和:2979

約数の個数: 72

約数和(自身を含む): 375417504

約数和(自身を除く): 224635684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 2903, 3710, 5194, 5806, 7420, 10388, 11612, 12985, 14515, 20321, 25970, 29030, 40642, 51940, 58060, 81284, 101605, 142247, 153859, 203210, 284494, 307718, 406420, 568988, 615436, 711235, 769295, 1077013, 1422470, 1538590, 2154026, 2844940, 3077180, 4308052, 5385065, 7539091, 10770130, 15078182, 21540260, 30156364, 37695455, 75390910, 150781820]

約数ペア:

[(1, 150781820), (2, 75390910), (4, 37695455), (5, 30156364), (7, 21540260), (10, 15078182), (14, 10770130), (20, 7539091), (28, 5385065), (35, 4308052), (49, 3077180), (53, 2844940), (70, 2154026), (98, 1538590), (106, 1422470), (140, 1077013), (196, 769295), (212, 711235), (245, 615436), (265, 568988), (371, 406420), (490, 307718), (530, 284494), (742, 203210), (980, 153859), (1060, 142247), (1484, 101605), (1855, 81284), (2597, 58060), (2903, 51940), (3710, 40642), (5194, 29030), (5806, 25970), (7420, 20321), (10388, 14515), (11612, 12985)]