42238520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 100980000

約数和(自身を除く): 58741480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 373, 380, 596, 745, 746, 760, 1192, 1490, 1492, 1865, 2831, 2980, 2984, 3730, 5662, 5960, 7087, 7460, 11324, 14155, 14174, 14920, 22648, 28310, 28348, 35435, 55577, 56620, 56696, 70870, 111154, 113240, 141740, 222308, 277885, 283480, 444616, 555770, 1055963, 1111540, 2111926, 2223080, 4223852, 5279815, 8447704, 10559630, 21119260, 42238520]

約数ペア:

[(1, 42238520), (2, 21119260), (4, 10559630), (5, 8447704), (8, 5279815), (10, 4223852), (19, 2223080), (20, 2111926), (38, 1111540), (40, 1055963), (76, 555770), (95, 444616), (149, 283480), (152, 277885), (190, 222308), (298, 141740), (373, 113240), (380, 111154), (596, 70870), (745, 56696), (746, 56620), (760, 55577), (1192, 35435), (1490, 28348), (1492, 28310), (1865, 22648), (2831, 14920), (2980, 14174), (2984, 14155), (3730, 11324), (5662, 7460), (5960, 7087)]