1210400

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 3163860

約数和(自身を除く): 1953460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 89, 100, 136, 160, 170, 178, 200, 272, 340, 356, 400, 425, 445, 544, 680, 712, 800, 850, 890, 1360, 1424, 1513, 1700, 1780, 2225, 2720, 2848, 3026, 3400, 3560, 4450, 6052, 6800, 7120, 7565, 8900, 12104, 13600, 14240, 15130, 17800, 24208, 30260, 35600, 37825, 48416, 60520, 71200, 75650, 121040, 151300, 242080, 302600, 605200, 1210400]

約数ペア:

[(1, 1210400), (2, 605200), (4, 302600), (5, 242080), (8, 151300), (10, 121040), (16, 75650), (17, 71200), (20, 60520), (25, 48416), (32, 37825), (34, 35600), (40, 30260), (50, 24208), (68, 17800), (80, 15130), (85, 14240), (89, 13600), (100, 12104), (136, 8900), (160, 7565), (170, 7120), (178, 6800), (200, 6052), (272, 4450), (340, 3560), (356, 3400), (400, 3026), (425, 2848), (445, 2720), (544, 2225), (680, 1780), (712, 1700), (800, 1513), (850, 1424), (890, 1360)]