771385940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{156151}}^1$

素因数の和:156192

約数の個数: 48

約数和(自身を含む): 1836347520

約数和(自身を除く): 1064961580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 156151, 312302, 624604, 780755, 1561510, 2029963, 2966869, 3123020, 4059926, 5933738, 8119852, 10149815, 11867476, 14834345, 20299630, 29668690, 38569297, 40599260, 59337380, 77138594, 154277188, 192846485, 385692970, 771385940]

約数ペア:

[(1, 771385940), (2, 385692970), (4, 192846485), (5, 154277188), (10, 77138594), (13, 59337380), (19, 40599260), (20, 38569297), (26, 29668690), (38, 20299630), (52, 14834345), (65, 11867476), (76, 10149815), (95, 8119852), (130, 5933738), (190, 4059926), (247, 3123020), (260, 2966869), (380, 2029963), (494, 1561510), (988, 780755), (1235, 624604), (2470, 312302), (4940, 156151)]