39124420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 87192000

約数和(自身を除く): 48067580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 691, 745, 1382, 1490, 2764, 2831, 2980, 3455, 5662, 6910, 11324, 13129, 13820, 14155, 26258, 28310, 52516, 56620, 65645, 102959, 131290, 205918, 262580, 411836, 514795, 1029590, 1956221, 2059180, 3912442, 7824884, 9781105, 19562210, 39124420]

約数ペア:

[(1, 39124420), (2, 19562210), (4, 9781105), (5, 7824884), (10, 3912442), (19, 2059180), (20, 1956221), (38, 1029590), (76, 514795), (95, 411836), (149, 262580), (190, 205918), (298, 131290), (380, 102959), (596, 65645), (691, 56620), (745, 52516), (1382, 28310), (1490, 26258), (2764, 14155), (2831, 13820), (2980, 13129), (3455, 11324), (5662, 6910)]