407979880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 1181952000

約数和(自身を除く): 773972120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 127, 140, 149, 154, 196, 220, 245, 254, 280, 298, 308, 385, 392, 440, 490, 508, 539, 596, 616, 635, 745, 770, 889, 980, 1016, 1043, 1078, 1192, 1270, 1397, 1490, 1540, 1639, 1778, 1960, 2086, 2156, 2540, 2695, 2794, 2980, 3080, 3278, 3556, 4172, 4312, 4445, 5080, 5215, 5390, 5588, 5960, 6223, 6556, 6985, 7112, 7301, 8195, 8344, 8890, 9779, 10430, 10780, 11176, 11473, 12446, 13112, 13970, 14602, 16390, 17780, 18923, 19558, 20860, 21560, 22946, 24892, 27940, 29204, 31115, 32780, 35560, 36505, 37846, 39116, 41720, 45892, 48895, 49784, 55880, 57365, 58408, 62230, 65560, 68453, 73010, 75692, 78232, 80311, 91784, 94615, 97790, 114730, 124460, 132461, 136906, 146020, 151384, 160622, 189230, 195580, 208153, 229460, 248920, 264922, 273812, 292040, 321244, 342265, 378460, 391160, 401555, 416306, 458920, 529844, 547624, 642488, 662305, 684530, 756920, 803110, 832612, 927227, 1040765, 1059688, 1324610, 1369060, 1457071, 1606220, 1665224, 1854454, 2081530, 2649220, 2738120, 2914142, 3212440, 3708908, 4163060, 4636135, 5298440, 5828284, 7285355, 7417816, 8326120, 9272270, 10199497, 11656568, 14570710, 18544540, 20398994, 29141420, 37089080, 40797988, 50997485, 58282840, 81595976, 101994970, 203989940, 407979880]

約数ペア:

[(1, 407979880), (2, 203989940), (4, 101994970), (5, 81595976), (7, 58282840), (8, 50997485), (10, 40797988), (11, 37089080), (14, 29141420), (20, 20398994), (22, 18544540), (28, 14570710), (35, 11656568), (40, 10199497), (44, 9272270), (49, 8326120), (55, 7417816), (56, 7285355), (70, 5828284), (77, 5298440), (88, 4636135), (98, 4163060), (110, 3708908), (127, 3212440), (140, 2914142), (149, 2738120), (154, 2649220), (196, 2081530), (220, 1854454), (245, 1665224), (254, 1606220), (280, 1457071), (298, 1369060), (308, 1324610), (385, 1059688), (392, 1040765), (440, 927227), (490, 832612), (508, 803110), (539, 756920), (596, 684530), (616, 662305), (635, 642488), (745, 547624), (770, 529844), (889, 458920), (980, 416306), (1016, 401555), (1043, 391160), (1078, 378460), (1192, 342265), (1270, 321244), (1397, 292040), (1490, 273812), (1540, 264922), (1639, 248920), (1778, 229460), (1960, 208153), (2086, 195580), (2156, 189230), (2540, 160622), (2695, 151384), (2794, 146020), (2980, 136906), (3080, 132461), (3278, 124460), (3556, 114730), (4172, 97790), (4312, 94615), (4445, 91784), (5080, 80311), (5215, 78232), (5390, 75692), (5588, 73010), (5960, 68453), (6223, 65560), (6556, 62230), (6985, 58408), (7112, 57365), (7301, 55880), (8195, 49784), (8344, 48895), (8890, 45892), (9779, 41720), (10430, 39116), (10780, 37846), (11176, 36505), (11473, 35560), (12446, 32780), (13112, 31115), (13970, 29204), (14602, 27940), (16390, 24892), (17780, 22946), (18923, 21560), (19558, 20860)]