78088100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 181134240

約数和(自身を除く): 103046140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 73, 76, 95, 100, 146, 190, 292, 365, 380, 475, 563, 730, 950, 1126, 1387, 1460, 1825, 1900, 2252, 2774, 2815, 3650, 5548, 5630, 6935, 7300, 10697, 11260, 13870, 14075, 21394, 27740, 28150, 34675, 41099, 42788, 53485, 56300, 69350, 82198, 106970, 138700, 164396, 205495, 213940, 267425, 410990, 534850, 780881, 821980, 1027475, 1069700, 1561762, 2054950, 3123524, 3904405, 4109900, 7808810, 15617620, 19522025, 39044050, 78088100]

約数ペア:

[(1, 78088100), (2, 39044050), (4, 19522025), (5, 15617620), (10, 7808810), (19, 4109900), (20, 3904405), (25, 3123524), (38, 2054950), (50, 1561762), (73, 1069700), (76, 1027475), (95, 821980), (100, 780881), (146, 534850), (190, 410990), (292, 267425), (365, 213940), (380, 205495), (475, 164396), (563, 138700), (730, 106970), (950, 82198), (1126, 69350), (1387, 56300), (1460, 53485), (1825, 42788), (1900, 41099), (2252, 34675), (2774, 28150), (2815, 27740), (3650, 21394), (5548, 14075), (5630, 13870), (6935, 11260), (7300, 10697)]