77290100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{2141}}^1$

素因数の和:2193

約数の個数: 54

約数和(自身を含む): 177094134

約数和(自身を除く): 99804034

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1805, 1900, 2141, 3610, 4282, 7220, 8564, 9025, 10705, 18050, 21410, 36100, 40679, 42820, 53525, 81358, 107050, 162716, 203395, 214100, 406790, 772901, 813580, 1016975, 1545802, 2033950, 3091604, 3864505, 4067900, 7729010, 15458020, 19322525, 38645050, 77290100]

約数ペア:

[(1, 77290100), (2, 38645050), (4, 19322525), (5, 15458020), (10, 7729010), (19, 4067900), (20, 3864505), (25, 3091604), (38, 2033950), (50, 1545802), (76, 1016975), (95, 813580), (100, 772901), (190, 406790), (361, 214100), (380, 203395), (475, 162716), (722, 107050), (950, 81358), (1444, 53525), (1805, 42820), (1900, 40679), (2141, 36100), (3610, 21410), (4282, 18050), (7220, 10705), (8564, 9025)]