221775320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:709

約数の個数: 96

約数和(自身を含む): 551415600

約数和(自身を除く): 329640280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 169, 212, 260, 265, 338, 424, 520, 530, 619, 676, 689, 845, 1060, 1238, 1352, 1378, 1690, 2120, 2476, 2756, 3095, 3380, 3445, 4952, 5512, 6190, 6760, 6890, 8047, 8957, 12380, 13780, 16094, 17914, 24760, 27560, 32188, 32807, 35828, 40235, 44785, 64376, 65614, 71656, 80470, 89570, 104611, 131228, 160940, 164035, 179140, 209222, 262456, 321880, 328070, 358280, 418444, 426491, 523055, 656140, 836888, 852982, 1046110, 1312280, 1705964, 2092220, 2132455, 3411928, 4184440, 4264910, 5544383, 8529820, 11088766, 17059640, 22177532, 27721915, 44355064, 55443830, 110887660, 221775320]

約数ペア:

[(1, 221775320), (2, 110887660), (4, 55443830), (5, 44355064), (8, 27721915), (10, 22177532), (13, 17059640), (20, 11088766), (26, 8529820), (40, 5544383), (52, 4264910), (53, 4184440), (65, 3411928), (104, 2132455), (106, 2092220), (130, 1705964), (169, 1312280), (212, 1046110), (260, 852982), (265, 836888), (338, 656140), (424, 523055), (520, 426491), (530, 418444), (619, 358280), (676, 328070), (689, 321880), (845, 262456), (1060, 209222), (1238, 179140), (1352, 164035), (1378, 160940), (1690, 131228), (2120, 104611), (2476, 89570), (2756, 80470), (3095, 71656), (3380, 65614), (3445, 64376), (4952, 44785), (5512, 40235), (6190, 35828), (6760, 32807), (6890, 32188), (8047, 27560), (8957, 24760), (12380, 17914), (13780, 16094)]