199977700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{11833}}^1$

素因数の和:11873

約数の個数: 54

約数和(自身を含む): 469939974

約数和(自身を除く): 269962274

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 3380, 4225, 8450, 11833, 16900, 23666, 47332, 59165, 118330, 153829, 236660, 295825, 307658, 591650, 615316, 769145, 1183300, 1538290, 1999777, 3076580, 3845725, 3999554, 7691450, 7999108, 9998885, 15382900, 19997770, 39995540, 49994425, 99988850, 199977700]

約数ペア:

[(1, 199977700), (2, 99988850), (4, 49994425), (5, 39995540), (10, 19997770), (13, 15382900), (20, 9998885), (25, 7999108), (26, 7691450), (50, 3999554), (52, 3845725), (65, 3076580), (100, 1999777), (130, 1538290), (169, 1183300), (260, 769145), (325, 615316), (338, 591650), (650, 307658), (676, 295825), (845, 236660), (1300, 153829), (1690, 118330), (3380, 59165), (4225, 47332), (8450, 23666), (11833, 16900)]