161101900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 360976896

約数和(自身を除く): 199874996

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 151, 188, 227, 235, 302, 454, 470, 604, 755, 908, 940, 1135, 1175, 1510, 2270, 2350, 3020, 3775, 4540, 4700, 5675, 7097, 7550, 10669, 11350, 14194, 15100, 21338, 22700, 28388, 34277, 35485, 42676, 53345, 68554, 70970, 106690, 137108, 141940, 171385, 177425, 213380, 266725, 342770, 354850, 533450, 685540, 709700, 856925, 1066900, 1611019, 1713850, 3222038, 3427700, 6444076, 8055095, 16110190, 32220380, 40275475, 80550950, 161101900]

約数ペア:

[(1, 161101900), (2, 80550950), (4, 40275475), (5, 32220380), (10, 16110190), (20, 8055095), (25, 6444076), (47, 3427700), (50, 3222038), (94, 1713850), (100, 1611019), (151, 1066900), (188, 856925), (227, 709700), (235, 685540), (302, 533450), (454, 354850), (470, 342770), (604, 266725), (755, 213380), (908, 177425), (940, 171385), (1135, 141940), (1175, 137108), (1510, 106690), (2270, 70970), (2350, 68554), (3020, 53345), (3775, 42676), (4540, 35485), (4700, 34277), (5675, 28388), (7097, 22700), (7550, 21338), (10669, 15100), (11350, 14194)]