405130160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1381}}^1$

素因数の和:1606

約数の個数: 80

約数和(自身を含む): 997361760

約数和(自身を除く): 592231600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 193, 304, 380, 386, 760, 772, 965, 1381, 1520, 1544, 1930, 2762, 3088, 3667, 3860, 5524, 6905, 7334, 7720, 11048, 13810, 14668, 15440, 18335, 22096, 26239, 27620, 29336, 36670, 52478, 55240, 58672, 73340, 104956, 110480, 131195, 146680, 209912, 262390, 266533, 293360, 419824, 524780, 533066, 1049560, 1066132, 1332665, 2099120, 2132264, 2665330, 4264528, 5064127, 5330660, 10128254, 10661320, 20256508, 21322640, 25320635, 40513016, 50641270, 81026032, 101282540, 202565080, 405130160]

約数ペア:

[(1, 405130160), (2, 202565080), (4, 101282540), (5, 81026032), (8, 50641270), (10, 40513016), (16, 25320635), (19, 21322640), (20, 20256508), (38, 10661320), (40, 10128254), (76, 5330660), (80, 5064127), (95, 4264528), (152, 2665330), (190, 2132264), (193, 2099120), (304, 1332665), (380, 1066132), (386, 1049560), (760, 533066), (772, 524780), (965, 419824), (1381, 293360), (1520, 266533), (1544, 262390), (1930, 209912), (2762, 146680), (3088, 131195), (3667, 110480), (3860, 104956), (5524, 73340), (6905, 58672), (7334, 55240), (7720, 52478), (11048, 36670), (13810, 29336), (14668, 27620), (15440, 26239), (18335, 22096)]