53978820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128521}}^1$

素因数の和:128540

約数の個数: 48

約数和(自身を含む): 172733568

約数和(自身を除く): 118754748

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, 128521, 257042, 385563, 514084, 642605, 771126, 899647, 1285210, 1542252, 1799294, 1927815, 2570420, 2698941, 3598588, 3855630, 4498235, 5397882, 7711260, 8996470, 10795764, 13494705, 17992940, 26989410, 53978820]

約数ペア:

[(1, 53978820), (2, 26989410), (3, 17992940), (4, 13494705), (5, 10795764), (6, 8996470), (7, 7711260), (10, 5397882), (12, 4498235), (14, 3855630), (15, 3598588), (20, 2698941), (21, 2570420), (28, 1927815), (30, 1799294), (35, 1542252), (42, 1285210), (60, 899647), (70, 771126), (84, 642605), (105, 514084), (140, 385563), (210, 257042), (420, 128521)]