142742460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{339863}}^1$

素因数の和:339882

約数の個数: 48

約数和(自身を含む): 456777216

約数和(自身を除く): 314034756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 339863, 679726, 1019589, 1359452, 1699315, 2039178, 2379041, 3398630, 4078356, 4758082, 5097945, 6797260, 7137123, 9516164, 10195890, 11895205, 14274246, 20391780, 23790410, 28548492, 35685615, 47580820, 71371230, 142742460]

約数ペア:

[(1, 142742460), (2, 71371230), (3, 47580820), (4, 35685615), (5, 28548492), (6, 23790410), (7, 20391780), (10, 14274246), (12, 11895205), (14, 10195890), (15, 9516164), (20, 7137123), (21, 6797260), (28, 5097945), (30, 4758082), (35, 4078356), (42, 3398630), (60, 2379041), (70, 2039178), (84, 1699315), (105, 1359452), (140, 1019589), (210, 679726), (420, 339863)]