77692900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 179641280

約数和(自身を除く): 101948380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 103, 190, 206, 380, 397, 412, 475, 515, 794, 950, 1030, 1588, 1900, 1957, 1985, 2060, 2575, 3914, 3970, 5150, 7543, 7828, 7940, 9785, 9925, 10300, 15086, 19570, 19850, 30172, 37715, 39140, 39700, 40891, 48925, 75430, 81782, 97850, 150860, 163564, 188575, 195700, 204455, 377150, 408910, 754300, 776929, 817820, 1022275, 1553858, 2044550, 3107716, 3884645, 4089100, 7769290, 15538580, 19423225, 38846450, 77692900]

約数ペア:

[(1, 77692900), (2, 38846450), (4, 19423225), (5, 15538580), (10, 7769290), (19, 4089100), (20, 3884645), (25, 3107716), (38, 2044550), (50, 1553858), (76, 1022275), (95, 817820), (100, 776929), (103, 754300), (190, 408910), (206, 377150), (380, 204455), (397, 195700), (412, 188575), (475, 163564), (515, 150860), (794, 97850), (950, 81782), (1030, 75430), (1588, 48925), (1900, 40891), (1957, 39700), (1985, 39140), (2060, 37715), (2575, 30172), (3914, 19850), (3970, 19570), (5150, 15086), (7543, 10300), (7828, 9925), (7940, 9785)]