22159700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 51559200

約数和(自身を除く): 29399500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 107, 109, 190, 214, 218, 380, 428, 436, 475, 535, 545, 950, 1070, 1090, 1900, 2033, 2071, 2140, 2180, 2675, 2725, 4066, 4142, 5350, 5450, 8132, 8284, 10165, 10355, 10700, 10900, 11663, 20330, 20710, 23326, 40660, 41420, 46652, 50825, 51775, 58315, 101650, 103550, 116630, 203300, 207100, 221597, 233260, 291575, 443194, 583150, 886388, 1107985, 1166300, 2215970, 4431940, 5539925, 11079850, 22159700]

約数ペア:

[(1, 22159700), (2, 11079850), (4, 5539925), (5, 4431940), (10, 2215970), (19, 1166300), (20, 1107985), (25, 886388), (38, 583150), (50, 443194), (76, 291575), (95, 233260), (100, 221597), (107, 207100), (109, 203300), (190, 116630), (214, 103550), (218, 101650), (380, 58315), (428, 51775), (436, 50825), (475, 46652), (535, 41420), (545, 40660), (950, 23326), (1070, 20710), (1090, 20330), (1900, 11663), (2033, 10900), (2071, 10700), (2140, 10355), (2180, 10165), (2675, 8284), (2725, 8132), (4066, 5450), (4142, 5350)]