1860100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 4687200

約数和(自身を除く): 2827100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 89, 95, 100, 110, 178, 190, 209, 220, 275, 356, 380, 418, 445, 475, 550, 836, 890, 950, 979, 1045, 1100, 1691, 1780, 1900, 1958, 2090, 2225, 3382, 3916, 4180, 4450, 4895, 5225, 6764, 8455, 8900, 9790, 10450, 16910, 18601, 19580, 20900, 24475, 33820, 37202, 42275, 48950, 74404, 84550, 93005, 97900, 169100, 186010, 372020, 465025, 930050, 1860100]

約数ペア:

[(1, 1860100), (2, 930050), (4, 465025), (5, 372020), (10, 186010), (11, 169100), (19, 97900), (20, 93005), (22, 84550), (25, 74404), (38, 48950), (44, 42275), (50, 37202), (55, 33820), (76, 24475), (89, 20900), (95, 19580), (100, 18601), (110, 16910), (178, 10450), (190, 9790), (209, 8900), (220, 8455), (275, 6764), (356, 5225), (380, 4895), (418, 4450), (445, 4180), (475, 3916), (550, 3382), (836, 2225), (890, 2090), (950, 1958), (979, 1900), (1045, 1780), (1100, 1691)]