245773840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 639599688

約数和(自身を除く): 393825848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 281, 290, 377, 464, 520, 562, 580, 754, 841, 1040, 1124, 1160, 1405, 1508, 1682, 1885, 2248, 2320, 2810, 3016, 3364, 3653, 3770, 4205, 4496, 5620, 6032, 6728, 7306, 7540, 8149, 8410, 10933, 11240, 13456, 14612, 15080, 16298, 16820, 18265, 21866, 22480, 29224, 30160, 32596, 33640, 36530, 40745, 43732, 54665, 58448, 65192, 67280, 73060, 81490, 87464, 105937, 109330, 130384, 146120, 162980, 174928, 211874, 218660, 236321, 292240, 325960, 423748, 437320, 472642, 529685, 651920, 847496, 874640, 945284, 1059370, 1181605, 1694992, 1890568, 2118740, 2363210, 3072173, 3781136, 4237480, 4726420, 6144346, 8474960, 9452840, 12288692, 15360865, 18905680, 24577384, 30721730, 49154768, 61443460, 122886920, 245773840]

約数ペア:

[(1, 245773840), (2, 122886920), (4, 61443460), (5, 49154768), (8, 30721730), (10, 24577384), (13, 18905680), (16, 15360865), (20, 12288692), (26, 9452840), (29, 8474960), (40, 6144346), (52, 4726420), (58, 4237480), (65, 3781136), (80, 3072173), (104, 2363210), (116, 2118740), (130, 1890568), (145, 1694992), (208, 1181605), (232, 1059370), (260, 945284), (281, 874640), (290, 847496), (377, 651920), (464, 529685), (520, 472642), (562, 437320), (580, 423748), (754, 325960), (841, 292240), (1040, 236321), (1124, 218660), (1160, 211874), (1405, 174928), (1508, 162980), (1682, 146120), (1885, 130384), (2248, 109330), (2320, 105937), (2810, 87464), (3016, 81490), (3364, 73060), (3653, 67280), (3770, 65192), (4205, 58448), (4496, 54665), (5620, 43732), (6032, 40745), (6728, 36530), (7306, 33640), (7540, 32596), (8149, 30160), (8410, 29224), (10933, 22480), (11240, 21866), (13456, 18265), (14612, 16820), (15080, 16298)]