158551420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{4363}}^1$

素因数の和:4474

約数の個数: 48

約数和(自身を含む): 351912960

約数和(自身を除く): 193361540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 4363, 7268, 8726, 9085, 17452, 18170, 21815, 36340, 43630, 87260, 100349, 200698, 344677, 401396, 501745, 689354, 1003490, 1378708, 1723385, 2006980, 3446770, 6893540, 7927571, 15855142, 31710284, 39637855, 79275710, 158551420]

約数ペア:

[(1, 158551420), (2, 79275710), (4, 39637855), (5, 31710284), (10, 15855142), (20, 7927571), (23, 6893540), (46, 3446770), (79, 2006980), (92, 1723385), (115, 1378708), (158, 1003490), (230, 689354), (316, 501745), (395, 401396), (460, 344677), (790, 200698), (1580, 100349), (1817, 87260), (3634, 43630), (4363, 36340), (7268, 21815), (8726, 18170), (9085, 17452)]