42478520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{719}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 109900800

約数和(自身を除く): 67422280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 719, 844, 1055, 1438, 1477, 1688, 2110, 2876, 2954, 3595, 4220, 5033, 5752, 5908, 7190, 7385, 8440, 10066, 11816, 14380, 14770, 20132, 25165, 28760, 29540, 40264, 50330, 59080, 100660, 151709, 201320, 303418, 606836, 758545, 1061963, 1213672, 1517090, 2123926, 3034180, 4247852, 5309815, 6068360, 8495704, 10619630, 21239260, 42478520]

約数ペア:

[(1, 42478520), (2, 21239260), (4, 10619630), (5, 8495704), (7, 6068360), (8, 5309815), (10, 4247852), (14, 3034180), (20, 2123926), (28, 1517090), (35, 1213672), (40, 1061963), (56, 758545), (70, 606836), (140, 303418), (211, 201320), (280, 151709), (422, 100660), (719, 59080), (844, 50330), (1055, 40264), (1438, 29540), (1477, 28760), (1688, 25165), (2110, 20132), (2876, 14770), (2954, 14380), (3595, 11816), (4220, 10066), (5033, 8440), (5752, 7385), (5908, 7190)]