870400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{17}}^1$

素因数の和:49

約数の個数: 72

約数和(自身を含む): 2285010

約数和(自身を除く): 1414610

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 400, 425, 512, 544, 640, 680, 800, 850, 1024, 1088, 1280, 1360, 1600, 1700, 2048, 2176, 2560, 2720, 3200, 3400, 4352, 5120, 5440, 6400, 6800, 8704, 10240, 10880, 12800, 13600, 17408, 21760, 25600, 27200, 34816, 43520, 51200, 54400, 87040, 108800, 174080, 217600, 435200, 870400]

約数ペア:

[(1, 870400), (2, 435200), (4, 217600), (5, 174080), (8, 108800), (10, 87040), (16, 54400), (17, 51200), (20, 43520), (25, 34816), (32, 27200), (34, 25600), (40, 21760), (50, 17408), (64, 13600), (68, 12800), (80, 10880), (85, 10240), (100, 8704), (128, 6800), (136, 6400), (160, 5440), (170, 5120), (200, 4352), (256, 3400), (272, 3200), (320, 2720), (340, 2560), (400, 2176), (425, 2048), (512, 1700), (544, 1600), (640, 1360), (680, 1280), (800, 1088), (850, 1024)]