205388400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^3\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 240

約数和(自身を含む): 768800000

約数和(自身を除く): 563411600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 98, 100, 105, 112, 120, 140, 147, 150, 168, 175, 196, 200, 210, 240, 245, 280, 294, 300, 336, 343, 350, 392, 400, 420, 490, 499, 525, 560, 588, 600, 686, 700, 735, 784, 840, 980, 998, 1029, 1050, 1176, 1200, 1225, 1372, 1400, 1470, 1497, 1680, 1715, 1960, 1996, 2058, 2100, 2352, 2450, 2495, 2744, 2800, 2940, 2994, 3430, 3493, 3675, 3920, 3992, 4116, 4200, 4900, 4990, 5145, 5488, 5880, 5988, 6860, 6986, 7350, 7485, 7984, 8232, 8400, 8575, 9800, 9980, 10290, 10479, 11760, 11976, 12475, 13720, 13972, 14700, 14970, 16464, 17150, 17465, 19600, 19960, 20580, 20958, 23952, 24451, 24950, 25725, 27440, 27944, 29400, 29940, 34300, 34930, 37425, 39920, 41160, 41916, 48902, 49900, 51450, 52395, 55888, 58800, 59880, 68600, 69860, 73353, 74850, 82320, 83832, 87325, 97804, 99800, 102900, 104790, 119760, 122255, 137200, 139720, 146706, 149700, 167664, 171157, 174650, 195608, 199600, 205800, 209580, 244510, 261975, 279440, 293412, 299400, 342314, 349300, 366765, 391216, 411600, 419160, 489020, 513471, 523950, 586824, 598800, 611275, 684628, 698600, 733530, 838320, 855785, 978040, 1026942, 1047900, 1173648, 1222550, 1369256, 1397200, 1467060, 1711570, 1833825, 1956080, 2053884, 2095800, 2445100, 2567355, 2738512, 2934120, 3423140, 3667650, 4107768, 4191600, 4278925, 4890200, 5134710, 5868240, 6846280, 7335300, 8215536, 8557850, 9780400, 10269420, 12836775, 13692560, 14670600, 17115700, 20538840, 25673550, 29341200, 34231400, 41077680, 51347100, 68462800, 102694200, 205388400]

約数ペア:

[(1, 205388400), (2, 102694200), (3, 68462800), (4, 51347100), (5, 41077680), (6, 34231400), (7, 29341200), (8, 25673550), (10, 20538840), (12, 17115700), (14, 14670600), (15, 13692560), (16, 12836775), (20, 10269420), (21, 9780400), (24, 8557850), (25, 8215536), (28, 7335300), (30, 6846280), (35, 5868240), (40, 5134710), (42, 4890200), (48, 4278925), (49, 4191600), (50, 4107768), (56, 3667650), (60, 3423140), (70, 2934120), (75, 2738512), (80, 2567355), (84, 2445100), (98, 2095800), (100, 2053884), (105, 1956080), (112, 1833825), (120, 1711570), (140, 1467060), (147, 1397200), (150, 1369256), (168, 1222550), (175, 1173648), (196, 1047900), (200, 1026942), (210, 978040), (240, 855785), (245, 838320), (280, 733530), (294, 698600), (300, 684628), (336, 611275), (343, 598800), (350, 586824), (392, 523950), (400, 513471), (420, 489020), (490, 419160), (499, 411600), (525, 391216), (560, 366765), (588, 349300), (600, 342314), (686, 299400), (700, 293412), (735, 279440), (784, 261975), (840, 244510), (980, 209580), (998, 205800), (1029, 199600), (1050, 195608), (1176, 174650), (1200, 171157), (1225, 167664), (1372, 149700), (1400, 146706), (1470, 139720), (1497, 137200), (1680, 122255), (1715, 119760), (1960, 104790), (1996, 102900), (2058, 99800), (2100, 97804), (2352, 87325), (2450, 83832), (2495, 82320), (2744, 74850), (2800, 73353), (2940, 69860), (2994, 68600), (3430, 59880), (3493, 58800), (3675, 55888), (3920, 52395), (3992, 51450), (4116, 49900), (4200, 48902), (4900, 41916), (4990, 41160), (5145, 39920), (5488, 37425), (5880, 34930), (5988, 34300), (6860, 29940), (6986, 29400), (7350, 27944), (7485, 27440), (7984, 25725), (8232, 24950), (8400, 24451), (8575, 23952), (9800, 20958), (9980, 20580), (10290, 19960), (10479, 19600), (11760, 17465), (11976, 17150), (12475, 16464), (13720, 14970), (13972, 14700)]