223674920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 603555840

約数和(自身を除く): 379880920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 73, 124, 140, 146, 155, 217, 248, 280, 292, 310, 353, 365, 434, 511, 584, 620, 706, 730, 868, 1022, 1085, 1240, 1412, 1460, 1736, 1765, 2044, 2170, 2263, 2471, 2555, 2824, 2920, 3530, 4088, 4340, 4526, 4942, 5110, 7060, 8680, 9052, 9884, 10220, 10943, 11315, 12355, 14120, 15841, 18104, 19768, 20440, 21886, 22630, 24710, 25769, 31682, 43772, 45260, 49420, 51538, 54715, 63364, 76601, 79205, 87544, 90520, 98840, 103076, 109430, 126728, 128845, 153202, 158410, 180383, 206152, 218860, 257690, 306404, 316820, 360766, 383005, 437720, 515380, 612808, 633640, 721532, 766010, 798839, 901915, 1030760, 1443064, 1532020, 1597678, 1803830, 3064040, 3195356, 3607660, 3994195, 5591873, 6390712, 7215320, 7988390, 11183746, 15976780, 22367492, 27959365, 31953560, 44734984, 55918730, 111837460, 223674920]

約数ペア:

[(1, 223674920), (2, 111837460), (4, 55918730), (5, 44734984), (7, 31953560), (8, 27959365), (10, 22367492), (14, 15976780), (20, 11183746), (28, 7988390), (31, 7215320), (35, 6390712), (40, 5591873), (56, 3994195), (62, 3607660), (70, 3195356), (73, 3064040), (124, 1803830), (140, 1597678), (146, 1532020), (155, 1443064), (217, 1030760), (248, 901915), (280, 798839), (292, 766010), (310, 721532), (353, 633640), (365, 612808), (434, 515380), (511, 437720), (584, 383005), (620, 360766), (706, 316820), (730, 306404), (868, 257690), (1022, 218860), (1085, 206152), (1240, 180383), (1412, 158410), (1460, 153202), (1736, 128845), (1765, 126728), (2044, 109430), (2170, 103076), (2263, 98840), (2471, 90520), (2555, 87544), (2824, 79205), (2920, 76601), (3530, 63364), (4088, 54715), (4340, 51538), (4526, 49420), (4942, 45260), (5110, 43772), (7060, 31682), (8680, 25769), (9052, 24710), (9884, 22630), (10220, 21886), (10943, 20440), (11315, 19768), (12355, 18104), (14120, 15841)]