174839840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:827

約数の個数: 144

約数和(自身を含む): 497712600

約数和(自身を除く): 322872760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 769, 784, 812, 928, 980, 1015, 1120, 1160, 1421, 1538, 1568, 1624, 1960, 2030, 2320, 2842, 3076, 3248, 3845, 3920, 4060, 4640, 5383, 5684, 6152, 6496, 7105, 7690, 7840, 8120, 10766, 11368, 12304, 14210, 15380, 16240, 21532, 22301, 22736, 24608, 26915, 28420, 30760, 32480, 37681, 43064, 44602, 45472, 53830, 56840, 61520, 75362, 86128, 89204, 107660, 111505, 113680, 123040, 150724, 156107, 172256, 178408, 188405, 215320, 223010, 227360, 301448, 312214, 356816, 376810, 430640, 446020, 602896, 624428, 713632, 753620, 780535, 861280, 892040, 1092749, 1205792, 1248856, 1507240, 1561070, 1784080, 2185498, 2497712, 3014480, 3122140, 3568160, 4370996, 4995424, 5463745, 6028960, 6244280, 8741992, 10927490, 12488560, 17483984, 21854980, 24977120, 34967968, 43709960, 87419920, 174839840]

約数ペア:

[(1, 174839840), (2, 87419920), (4, 43709960), (5, 34967968), (7, 24977120), (8, 21854980), (10, 17483984), (14, 12488560), (16, 10927490), (20, 8741992), (28, 6244280), (29, 6028960), (32, 5463745), (35, 4995424), (40, 4370996), (49, 3568160), (56, 3122140), (58, 3014480), (70, 2497712), (80, 2185498), (98, 1784080), (112, 1561070), (116, 1507240), (140, 1248856), (145, 1205792), (160, 1092749), (196, 892040), (203, 861280), (224, 780535), (232, 753620), (245, 713632), (280, 624428), (290, 602896), (392, 446020), (406, 430640), (464, 376810), (490, 356816), (560, 312214), (580, 301448), (769, 227360), (784, 223010), (812, 215320), (928, 188405), (980, 178408), (1015, 172256), (1120, 156107), (1160, 150724), (1421, 123040), (1538, 113680), (1568, 111505), (1624, 107660), (1960, 89204), (2030, 86128), (2320, 75362), (2842, 61520), (3076, 56840), (3248, 53830), (3845, 45472), (3920, 44602), (4060, 43064), (4640, 37681), (5383, 32480), (5684, 30760), (6152, 28420), (6496, 26915), (7105, 24608), (7690, 22736), (7840, 22301), (8120, 21532), (10766, 16240), (11368, 15380), (12304, 14210)]