628407040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28879}}^1$

素因数の和:28917

約数の個数: 72

約数和(自身を含む): 1593829440

約数和(自身を除く): 965422400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 21760, 28879, 57758, 115516, 144395, 231032, 288790, 462064, 490943, 577580, 924128, 981886, 1155160, 1848256, 1963772, 2310320, 2454715, 3696512, 3927544, 4620640, 4909430, 7393024, 7855088, 9241280, 9818860, 15710176, 18482560, 19637720, 31420352, 36965120, 39275440, 62840704, 78550880, 125681408, 157101760, 314203520, 628407040]

約数ペア:

[(1, 628407040), (2, 314203520), (4, 157101760), (5, 125681408), (8, 78550880), (10, 62840704), (16, 39275440), (17, 36965120), (20, 31420352), (32, 19637720), (34, 18482560), (40, 15710176), (64, 9818860), (68, 9241280), (80, 7855088), (85, 7393024), (128, 4909430), (136, 4620640), (160, 3927544), (170, 3696512), (256, 2454715), (272, 2310320), (320, 1963772), (340, 1848256), (544, 1155160), (640, 981886), (680, 924128), (1088, 577580), (1280, 490943), (1360, 462064), (2176, 288790), (2720, 231032), (4352, 144395), (5440, 115516), (10880, 57758), (21760, 28879)]