17857040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 26336560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 179, 215, 232, 290, 344, 358, 430, 464, 580, 688, 716, 860, 895, 1160, 1247, 1432, 1720, 1790, 2320, 2494, 2864, 3440, 3580, 4988, 5191, 6235, 7160, 7697, 9976, 10382, 12470, 14320, 15394, 19952, 20764, 24940, 25955, 30788, 38485, 41528, 49880, 51910, 61576, 76970, 83056, 99760, 103820, 123152, 153940, 207640, 223213, 307880, 415280, 446426, 615760, 892852, 1116065, 1785704, 2232130, 3571408, 4464260, 8928520, 17857040]

約数ペア:

[(1, 17857040), (2, 8928520), (4, 4464260), (5, 3571408), (8, 2232130), (10, 1785704), (16, 1116065), (20, 892852), (29, 615760), (40, 446426), (43, 415280), (58, 307880), (80, 223213), (86, 207640), (116, 153940), (145, 123152), (172, 103820), (179, 99760), (215, 83056), (232, 76970), (290, 61576), (344, 51910), (358, 49880), (430, 41528), (464, 38485), (580, 30788), (688, 25955), (716, 24940), (860, 20764), (895, 19952), (1160, 15394), (1247, 14320), (1432, 12470), (1720, 10382), (1790, 9976), (2320, 7697), (2494, 7160), (2864, 6235), (3440, 5191), (3580, 4988)]