31003980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73819}}^1$

素因数の和:73838

約数の個数: 48

約数和(自身を含む): 99214080

約数和(自身を除く): 68210100

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, 73819, 147638, 221457, 295276, 369095, 442914, 516733, 738190, 885828, 1033466, 1107285, 1476380, 1550199, 2066932, 2214570, 2583665, 3100398, 4429140, 5167330, 6200796, 7750995, 10334660, 15501990, 31003980]

約数ペア:

[(1, 31003980), (2, 15501990), (3, 10334660), (4, 7750995), (5, 6200796), (6, 5167330), (7, 4429140), (10, 3100398), (12, 2583665), (14, 2214570), (15, 2066932), (20, 1550199), (21, 1476380), (28, 1107285), (30, 1033466), (35, 885828), (42, 738190), (60, 516733), (70, 442914), (84, 369095), (105, 295276), (140, 221457), (210, 147638), (420, 73819)]