389620890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{54799}}^1$

素因数の和:54891

約数の個数: 48

約数和(自身を含む): 1025856000

約数和(自身を除く): 636235110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 3555, 7110, 54799, 109598, 164397, 273995, 328794, 493191, 547990, 821985, 986382, 1643970, 2465955, 4329121, 4931910, 8658242, 12987363, 21645605, 25974726, 38962089, 43291210, 64936815, 77924178, 129873630, 194810445, 389620890]

約数ペア:

[(1, 389620890), (2, 194810445), (3, 129873630), (5, 77924178), (6, 64936815), (9, 43291210), (10, 38962089), (15, 25974726), (18, 21645605), (30, 12987363), (45, 8658242), (79, 4931910), (90, 4329121), (158, 2465955), (237, 1643970), (395, 986382), (474, 821985), (711, 547990), (790, 493191), (1185, 328794), (1422, 273995), (2370, 164397), (3555, 109598), (7110, 54799)]