38423840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 216

約数和(自身を含む): 118287540

約数和(自身を除く): 79863700

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 49, 52, 56, 58, 65, 70, 80, 91, 98, 104, 112, 116, 130, 140, 145, 160, 169, 182, 196, 203, 208, 224, 232, 245, 260, 280, 290, 338, 364, 377, 392, 406, 416, 455, 464, 490, 520, 560, 580, 637, 676, 728, 754, 784, 812, 845, 910, 928, 980, 1015, 1040, 1120, 1160, 1183, 1274, 1352, 1421, 1456, 1508, 1568, 1624, 1690, 1820, 1885, 1960, 2030, 2080, 2320, 2366, 2548, 2639, 2704, 2842, 2912, 3016, 3185, 3248, 3380, 3640, 3770, 3920, 4060, 4640, 4732, 4901, 5096, 5278, 5408, 5684, 5915, 6032, 6370, 6496, 6760, 7105, 7280, 7540, 7840, 8120, 8281, 9464, 9802, 10192, 10556, 11368, 11830, 12064, 12740, 13195, 13520, 14210, 14560, 15080, 16240, 16562, 18473, 18928, 19604, 20384, 21112, 22736, 23660, 24505, 25480, 26390, 27040, 28420, 30160, 32480, 33124, 34307, 36946, 37856, 39208, 41405, 42224, 45472, 47320, 49010, 50960, 52780, 56840, 60320, 66248, 68614, 73892, 78416, 82810, 84448, 92365, 94640, 98020, 101920, 105560, 113680, 132496, 137228, 147784, 156832, 165620, 171535, 184730, 189280, 196040, 211120, 227360, 240149, 264992, 274456, 295568, 331240, 343070, 369460, 392080, 422240, 480298, 548912, 591136, 662480, 686140, 738920, 784160, 960596, 1097824, 1200745, 1324960, 1372280, 1477840, 1921192, 2401490, 2744560, 2955680, 3842384, 4802980, 5489120, 7684768, 9605960, 19211920, 38423840]

約数ペア:

[(1, 38423840), (2, 19211920), (4, 9605960), (5, 7684768), (7, 5489120), (8, 4802980), (10, 3842384), (13, 2955680), (14, 2744560), (16, 2401490), (20, 1921192), (26, 1477840), (28, 1372280), (29, 1324960), (32, 1200745), (35, 1097824), (40, 960596), (49, 784160), (52, 738920), (56, 686140), (58, 662480), (65, 591136), (70, 548912), (80, 480298), (91, 422240), (98, 392080), (104, 369460), (112, 343070), (116, 331240), (130, 295568), (140, 274456), (145, 264992), (160, 240149), (169, 227360), (182, 211120), (196, 196040), (203, 189280), (208, 184730), (224, 171535), (232, 165620), (245, 156832), (260, 147784), (280, 137228), (290, 132496), (338, 113680), (364, 105560), (377, 101920), (392, 98020), (406, 94640), (416, 92365), (455, 84448), (464, 82810), (490, 78416), (520, 73892), (560, 68614), (580, 66248), (637, 60320), (676, 56840), (728, 52780), (754, 50960), (784, 49010), (812, 47320), (845, 45472), (910, 42224), (928, 41405), (980, 39208), (1015, 37856), (1040, 36946), (1120, 34307), (1160, 33124), (1183, 32480), (1274, 30160), (1352, 28420), (1421, 27040), (1456, 26390), (1508, 25480), (1568, 24505), (1624, 23660), (1690, 22736), (1820, 21112), (1885, 20384), (1960, 19604), (2030, 18928), (2080, 18473), (2320, 16562), (2366, 16240), (2548, 15080), (2639, 14560), (2704, 14210), (2842, 13520), (2912, 13195), (3016, 12740), (3185, 12064), (3248, 11830), (3380, 11368), (3640, 10556), (3770, 10192), (3920, 9802), (4060, 9464), (4640, 8281), (4732, 8120), (4901, 7840), (5096, 7540), (5278, 7280), (5408, 7105), (5684, 6760), (5915, 6496), (6032, 6370)]