17820100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 41559840

約数和(自身を除く): 23739740

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 113, 166, 190, 226, 332, 380, 415, 452, 475, 565, 830, 950, 1130, 1577, 1660, 1900, 2075, 2147, 2260, 2825, 3154, 4150, 4294, 5650, 6308, 7885, 8300, 8588, 9379, 10735, 11300, 15770, 18758, 21470, 31540, 37516, 39425, 42940, 46895, 53675, 78850, 93790, 107350, 157700, 178201, 187580, 214700, 234475, 356402, 468950, 712804, 891005, 937900, 1782010, 3564020, 4455025, 8910050, 17820100]

約数ペア:

[(1, 17820100), (2, 8910050), (4, 4455025), (5, 3564020), (10, 1782010), (19, 937900), (20, 891005), (25, 712804), (38, 468950), (50, 356402), (76, 234475), (83, 214700), (95, 187580), (100, 178201), (113, 157700), (166, 107350), (190, 93790), (226, 78850), (332, 53675), (380, 46895), (415, 42940), (452, 39425), (475, 37516), (565, 31540), (830, 21470), (950, 18758), (1130, 15770), (1577, 11300), (1660, 10735), (1900, 9379), (2075, 8588), (2147, 8300), (2260, 7885), (2825, 6308), (3154, 5650), (4150, 4294)]