818820199240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8353}}^1\times {\mathrm{128983}}^1$

素因数の和:137366

約数の個数: 64

約数和(自身を含む): 1939558204800

約数和(自身を除く): 1120738005560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 8353, 16706, 33412, 41765, 66824, 83530, 128983, 158707, 167060, 257966, 317414, 334120, 515932, 634828, 644915, 793535, 1031864, 1269656, 1289830, 1587070, 2450677, 2579660, 3174140, 4901354, 5159320, 6348280, 9802708, 12253385, 19605416, 24506770, 49013540, 98027080, 1077394999, 2154789998, 4309579996, 5386974995, 8619159992, 10773949990, 20470504981, 21547899980, 40941009962, 43095799960, 81882019924, 102352524905, 163764039848, 204705049810, 409410099620, 818820199240]

約数ペア:

[(1, 818820199240), (2, 409410099620), (4, 204705049810), (5, 163764039848), (8, 102352524905), (10, 81882019924), (19, 43095799960), (20, 40941009962), (38, 21547899980), (40, 20470504981), (76, 10773949990), (95, 8619159992), (152, 5386974995), (190, 4309579996), (380, 2154789998), (760, 1077394999), (8353, 98027080), (16706, 49013540), (33412, 24506770), (41765, 19605416), (66824, 12253385), (83530, 9802708), (128983, 6348280), (158707, 5159320), (167060, 4901354), (257966, 3174140), (317414, 2579660), (334120, 2450677), (515932, 1587070), (634828, 1289830), (644915, 1269656), (793535, 1031864)]