28647850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1063}}^1$

素因数の和:1100

約数の個数: 72

約数和(自身を含む): 67683168

約数和(自身を除く): 39035318

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 154, 175, 245, 275, 350, 385, 490, 539, 550, 770, 1063, 1078, 1225, 1925, 2126, 2450, 2695, 3850, 5315, 5390, 7441, 10630, 11693, 13475, 14882, 23386, 26575, 26950, 37205, 52087, 53150, 58465, 74410, 81851, 104174, 116930, 163702, 186025, 260435, 292325, 372050, 409255, 520870, 572957, 584650, 818510, 1145914, 1302175, 2046275, 2604350, 2864785, 4092550, 5729570, 14323925, 28647850]

約数ペア:

[(1, 28647850), (2, 14323925), (5, 5729570), (7, 4092550), (10, 2864785), (11, 2604350), (14, 2046275), (22, 1302175), (25, 1145914), (35, 818510), (49, 584650), (50, 572957), (55, 520870), (70, 409255), (77, 372050), (98, 292325), (110, 260435), (154, 186025), (175, 163702), (245, 116930), (275, 104174), (350, 81851), (385, 74410), (490, 58465), (539, 53150), (550, 52087), (770, 37205), (1063, 26950), (1078, 26575), (1225, 23386), (1925, 14882), (2126, 13475), (2450, 11693), (2695, 10630), (3850, 7441), (5315, 5390)]