787510100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31883}}^1$

素因数の和:31929

約数の個数: 72

約数和(自身を含む): 1937271840

約数和(自身を除く): 1149761740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 12350, 24700, 31883, 63766, 127532, 159415, 318830, 414479, 605777, 637660, 797075, 828958, 1211554, 1594150, 1657916, 2072395, 2423108, 3028885, 3188300, 4144790, 6057770, 7875101, 8289580, 10361975, 12115540, 15144425, 15750202, 20723950, 30288850, 31500404, 39375505, 41447900, 60577700, 78751010, 157502020, 196877525, 393755050, 787510100]

約数ペア:

[(1, 787510100), (2, 393755050), (4, 196877525), (5, 157502020), (10, 78751010), (13, 60577700), (19, 41447900), (20, 39375505), (25, 31500404), (26, 30288850), (38, 20723950), (50, 15750202), (52, 15144425), (65, 12115540), (76, 10361975), (95, 8289580), (100, 7875101), (130, 6057770), (190, 4144790), (247, 3188300), (260, 3028885), (325, 2423108), (380, 2072395), (475, 1657916), (494, 1594150), (650, 1211554), (950, 828958), (988, 797075), (1235, 637660), (1300, 605777), (1900, 414479), (2470, 318830), (4940, 159415), (6175, 127532), (12350, 63766), (24700, 31883)]