745940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 1787520

約数和(自身を除く): 1041580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 151, 190, 247, 260, 302, 380, 494, 604, 755, 988, 1235, 1510, 1963, 2470, 2869, 3020, 3926, 4940, 5738, 7852, 9815, 11476, 14345, 19630, 28690, 37297, 39260, 57380, 74594, 149188, 186485, 372970, 745940]

約数ペア:

[(1, 745940), (2, 372970), (4, 186485), (5, 149188), (10, 74594), (13, 57380), (19, 39260), (20, 37297), (26, 28690), (38, 19630), (52, 14345), (65, 11476), (76, 9815), (95, 7852), (130, 5738), (151, 4940), (190, 3926), (247, 3020), (260, 2869), (302, 2470), (380, 1963), (494, 1510), (604, 1235), (755, 988)]