90752740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18371}}^1$

素因数の和:18412

約数の個数: 48

約数和(自身を含む): 216054720

約数和(自身を除く): 125301980

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, 18371, 36742, 73484, 91855, 183710, 238823, 349049, 367420, 477646, 698098, 955292, 1194115, 1396196, 1745245, 2388230, 3490490, 4537637, 4776460, 6980980, 9075274, 18150548, 22688185, 45376370, 90752740]

約数ペア:

[(1, 90752740), (2, 45376370), (4, 22688185), (5, 18150548), (10, 9075274), (13, 6980980), (19, 4776460), (20, 4537637), (26, 3490490), (38, 2388230), (52, 1745245), (65, 1396196), (76, 1194115), (95, 955292), (130, 698098), (190, 477646), (247, 367420), (260, 349049), (380, 238823), (494, 183710), (988, 91855), (1235, 73484), (2470, 36742), (4940, 18371)]