140681968

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{40519}}^1$

素因数の和:40565

約数の個数: 40

約数和(自身を含む): 321566720

約数和(自身を除く): 180884752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 40519, 81038, 162076, 283633, 324152, 567266, 648304, 1134532, 1256089, 2269064, 2512178, 4538128, 5024356, 8792623, 10048712, 17585246, 20097424, 35170492, 70340984, 140681968]

約数ペア:

[(1, 140681968), (2, 70340984), (4, 35170492), (7, 20097424), (8, 17585246), (14, 10048712), (16, 8792623), (28, 5024356), (31, 4538128), (56, 2512178), (62, 2269064), (112, 1256089), (124, 1134532), (217, 648304), (248, 567266), (434, 324152), (496, 283633), (868, 162076), (1736, 81038), (3472, 40519)]