398009920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 224

約数和(自身を含む): 1224564480

約数和(自身を除く): 826554560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 32, 35, 40, 44, 55, 56, 58, 64, 70, 77, 80, 88, 110, 112, 116, 140, 145, 154, 160, 176, 203, 220, 224, 232, 280, 290, 308, 319, 320, 352, 385, 406, 440, 448, 464, 557, 560, 580, 616, 638, 704, 770, 812, 880, 928, 1015, 1114, 1120, 1160, 1232, 1276, 1540, 1595, 1624, 1760, 1856, 2030, 2228, 2233, 2240, 2320, 2464, 2552, 2785, 3080, 3190, 3248, 3520, 3899, 4060, 4456, 4466, 4640, 4928, 5104, 5570, 6127, 6160, 6380, 6496, 7798, 8120, 8912, 8932, 9280, 10208, 11140, 11165, 12254, 12320, 12760, 12992, 15596, 16153, 16240, 17824, 17864, 19495, 20416, 22280, 22330, 24508, 24640, 25520, 30635, 31192, 32306, 32480, 35648, 35728, 38990, 42889, 44560, 44660, 49016, 51040, 61270, 62384, 64612, 64960, 71456, 77980, 80765, 85778, 89120, 89320, 98032, 102080, 113071, 122540, 124768, 129224, 142912, 155960, 161530, 171556, 177683, 178240, 178640, 196064, 214445, 226142, 245080, 249536, 258448, 311920, 323060, 343112, 355366, 357280, 392128, 428890, 452284, 490160, 516896, 565355, 623840, 646120, 686224, 710732, 714560, 857780, 888415, 904568, 980320, 1033792, 1130710, 1243781, 1247680, 1292240, 1372448, 1421464, 1715560, 1776830, 1809136, 1960640, 2261420, 2487562, 2584480, 2744896, 2842928, 3431120, 3553660, 3618272, 4522840, 4975124, 5168960, 5685856, 6218905, 6862240, 7107320, 7236544, 9045680, 9950248, 11371712, 12437810, 13724480, 14214640, 18091360, 19900496, 24875620, 28429280, 36182720, 39800992, 49751240, 56858560, 79601984, 99502480, 199004960, 398009920]

約数ペア:

[(1, 398009920), (2, 199004960), (4, 99502480), (5, 79601984), (7, 56858560), (8, 49751240), (10, 39800992), (11, 36182720), (14, 28429280), (16, 24875620), (20, 19900496), (22, 18091360), (28, 14214640), (29, 13724480), (32, 12437810), (35, 11371712), (40, 9950248), (44, 9045680), (55, 7236544), (56, 7107320), (58, 6862240), (64, 6218905), (70, 5685856), (77, 5168960), (80, 4975124), (88, 4522840), (110, 3618272), (112, 3553660), (116, 3431120), (140, 2842928), (145, 2744896), (154, 2584480), (160, 2487562), (176, 2261420), (203, 1960640), (220, 1809136), (224, 1776830), (232, 1715560), (280, 1421464), (290, 1372448), (308, 1292240), (319, 1247680), (320, 1243781), (352, 1130710), (385, 1033792), (406, 980320), (440, 904568), (448, 888415), (464, 857780), (557, 714560), (560, 710732), (580, 686224), (616, 646120), (638, 623840), (704, 565355), (770, 516896), (812, 490160), (880, 452284), (928, 428890), (1015, 392128), (1114, 357280), (1120, 355366), (1160, 343112), (1232, 323060), (1276, 311920), (1540, 258448), (1595, 249536), (1624, 245080), (1760, 226142), (1856, 214445), (2030, 196064), (2228, 178640), (2233, 178240), (2240, 177683), (2320, 171556), (2464, 161530), (2552, 155960), (2785, 142912), (3080, 129224), (3190, 124768), (3248, 122540), (3520, 113071), (3899, 102080), (4060, 98032), (4456, 89320), (4466, 89120), (4640, 85778), (4928, 80765), (5104, 77980), (5570, 71456), (6127, 64960), (6160, 64612), (6380, 62384), (6496, 61270), (7798, 51040), (8120, 49016), (8912, 44660), (8932, 44560), (9280, 42889), (10208, 38990), (11140, 35728), (11165, 35648), (12254, 32480), (12320, 32306), (12760, 31192), (12992, 30635), (15596, 25520), (16153, 24640), (16240, 24508), (17824, 22330), (17864, 22280), (19495, 20416)]