455989720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5569}}^1$

素因数の和:5692

約数の個数: 64

約数和(自身を含む): 1082808000

約数和(自身を除く): 626818280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 3560, 4094, 5569, 8188, 10235, 11138, 16376, 20470, 22276, 27845, 40940, 44552, 55690, 81880, 111380, 128087, 222760, 256174, 495641, 512348, 640435, 991282, 1024696, 1280870, 1982564, 2478205, 2561740, 3965128, 4956410, 5123480, 9912820, 11399743, 19825640, 22799486, 45598972, 56998715, 91197944, 113997430, 227994860, 455989720]

約数ペア:

[(1, 455989720), (2, 227994860), (4, 113997430), (5, 91197944), (8, 56998715), (10, 45598972), (20, 22799486), (23, 19825640), (40, 11399743), (46, 9912820), (89, 5123480), (92, 4956410), (115, 3965128), (178, 2561740), (184, 2478205), (230, 1982564), (356, 1280870), (445, 1024696), (460, 991282), (712, 640435), (890, 512348), (920, 495641), (1780, 256174), (2047, 222760), (3560, 128087), (4094, 111380), (5569, 81880), (8188, 55690), (10235, 44552), (11138, 40940), (16376, 27845), (20470, 22276)]