421729280

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{41}}^2$

素因数の和:121

約数の個数: 198

約数和(自身を含む): 1206227502

約数和(自身を除く): 784498222

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 128, 140, 160, 164, 196, 205, 224, 245, 256, 280, 287, 320, 328, 392, 410, 448, 490, 512, 560, 574, 640, 656, 784, 820, 896, 980, 1024, 1120, 1148, 1280, 1312, 1435, 1568, 1640, 1681, 1792, 1960, 2009, 2240, 2296, 2560, 2624, 2870, 3136, 3280, 3362, 3584, 3920, 4018, 4480, 4592, 5120, 5248, 5740, 6272, 6560, 6724, 7168, 7840, 8036, 8405, 8960, 9184, 10045, 10496, 11480, 11767, 12544, 13120, 13448, 15680, 16072, 16810, 17920, 18368, 20090, 20992, 22960, 23534, 25088, 26240, 26896, 31360, 32144, 33620, 35840, 36736, 40180, 41984, 45920, 47068, 50176, 52480, 53792, 58835, 62720, 64288, 67240, 73472, 80360, 82369, 91840, 94136, 104960, 107584, 117670, 125440, 128576, 134480, 146944, 160720, 164738, 183680, 188272, 209920, 215168, 235340, 250880, 257152, 268960, 293888, 321440, 329476, 367360, 376544, 411845, 430336, 470680, 514304, 537920, 642880, 658952, 734720, 753088, 823690, 860672, 941360, 1028608, 1075840, 1285760, 1317904, 1469440, 1506176, 1647380, 1721344, 1882720, 2057216, 2151680, 2571520, 2635808, 3012352, 3294760, 3765440, 4303360, 5143040, 5271616, 6024704, 6589520, 7530880, 8606720, 10286080, 10543232, 12049408, 13179040, 15061760, 21086464, 26358080, 30123520, 42172928, 52716160, 60247040, 84345856, 105432320, 210864640, 421729280]

約数ペア:

[(1, 421729280), (2, 210864640), (4, 105432320), (5, 84345856), (7, 60247040), (8, 52716160), (10, 42172928), (14, 30123520), (16, 26358080), (20, 21086464), (28, 15061760), (32, 13179040), (35, 12049408), (40, 10543232), (41, 10286080), (49, 8606720), (56, 7530880), (64, 6589520), (70, 6024704), (80, 5271616), (82, 5143040), (98, 4303360), (112, 3765440), (128, 3294760), (140, 3012352), (160, 2635808), (164, 2571520), (196, 2151680), (205, 2057216), (224, 1882720), (245, 1721344), (256, 1647380), (280, 1506176), (287, 1469440), (320, 1317904), (328, 1285760), (392, 1075840), (410, 1028608), (448, 941360), (490, 860672), (512, 823690), (560, 753088), (574, 734720), (640, 658952), (656, 642880), (784, 537920), (820, 514304), (896, 470680), (980, 430336), (1024, 411845), (1120, 376544), (1148, 367360), (1280, 329476), (1312, 321440), (1435, 293888), (1568, 268960), (1640, 257152), (1681, 250880), (1792, 235340), (1960, 215168), (2009, 209920), (2240, 188272), (2296, 183680), (2560, 164738), (2624, 160720), (2870, 146944), (3136, 134480), (3280, 128576), (3362, 125440), (3584, 117670), (3920, 107584), (4018, 104960), (4480, 94136), (4592, 91840), (5120, 82369), (5248, 80360), (5740, 73472), (6272, 67240), (6560, 64288), (6724, 62720), (7168, 58835), (7840, 53792), (8036, 52480), (8405, 50176), (8960, 47068), (9184, 45920), (10045, 41984), (10496, 40180), (11480, 36736), (11767, 35840), (12544, 33620), (13120, 32144), (13448, 31360), (15680, 26896), (16072, 26240), (16810, 25088), (17920, 23534), (18368, 22960), (20090, 20992)]