16360900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 38192000

約数和(自身を除く): 21831100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 109, 158, 190, 218, 316, 380, 395, 436, 475, 545, 790, 950, 1090, 1501, 1580, 1900, 1975, 2071, 2180, 2725, 3002, 3950, 4142, 5450, 6004, 7505, 7900, 8284, 8611, 10355, 10900, 15010, 17222, 20710, 30020, 34444, 37525, 41420, 43055, 51775, 75050, 86110, 103550, 150100, 163609, 172220, 207100, 215275, 327218, 430550, 654436, 818045, 861100, 1636090, 3272180, 4090225, 8180450, 16360900]

約数ペア:

[(1, 16360900), (2, 8180450), (4, 4090225), (5, 3272180), (10, 1636090), (19, 861100), (20, 818045), (25, 654436), (38, 430550), (50, 327218), (76, 215275), (79, 207100), (95, 172220), (100, 163609), (109, 150100), (158, 103550), (190, 86110), (218, 75050), (316, 51775), (380, 43055), (395, 41420), (436, 37525), (475, 34444), (545, 30020), (790, 20710), (950, 17222), (1090, 15010), (1501, 10900), (1580, 10355), (1900, 8611), (1975, 8284), (2071, 7900), (2180, 7505), (2725, 6004), (3002, 5450), (3950, 4142)]