203418400

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2857}}^1$

素因数の和:2966

約数の個数: 72

約数和(自身を含む): 502350660

約数和(自身を除く): 298932260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 356, 400, 445, 712, 800, 890, 1424, 1780, 2225, 2848, 2857, 3560, 4450, 5714, 7120, 8900, 11428, 14240, 14285, 17800, 22856, 28570, 35600, 45712, 57140, 71200, 71425, 91424, 114280, 142850, 228560, 254273, 285700, 457120, 508546, 571400, 1017092, 1142800, 1271365, 2034184, 2285600, 2542730, 4068368, 5085460, 6356825, 8136736, 10170920, 12713650, 20341840, 25427300, 40683680, 50854600, 101709200, 203418400]

約数ペア:

[(1, 203418400), (2, 101709200), (4, 50854600), (5, 40683680), (8, 25427300), (10, 20341840), (16, 12713650), (20, 10170920), (25, 8136736), (32, 6356825), (40, 5085460), (50, 4068368), (80, 2542730), (89, 2285600), (100, 2034184), (160, 1271365), (178, 1142800), (200, 1017092), (356, 571400), (400, 508546), (445, 457120), (712, 285700), (800, 254273), (890, 228560), (1424, 142850), (1780, 114280), (2225, 91424), (2848, 71425), (2857, 71200), (3560, 57140), (4450, 45712), (5714, 35600), (7120, 28570), (8900, 22856), (11428, 17800), (14240, 14285)]