408879100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 1052932608

約数和(自身を除く): 644053508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 103, 106, 107, 140, 175, 206, 212, 214, 265, 350, 371, 412, 428, 515, 530, 535, 700, 721, 742, 749, 1030, 1060, 1070, 1325, 1442, 1484, 1498, 1855, 2060, 2140, 2575, 2650, 2675, 2884, 2996, 3605, 3710, 3745, 5150, 5300, 5350, 5459, 5671, 7210, 7420, 7490, 9275, 10300, 10700, 10918, 11021, 11342, 14420, 14980, 18025, 18550, 18725, 21836, 22042, 22684, 27295, 28355, 36050, 37100, 37450, 38213, 39697, 44084, 54590, 55105, 56710, 72100, 74900, 76426, 77147, 79394, 109180, 110210, 113420, 136475, 141775, 152852, 154294, 158788, 191065, 198485, 220420, 272950, 275525, 283550, 308588, 382130, 385735, 396970, 545900, 551050, 567100, 584113, 764260, 771470, 793940, 955325, 992425, 1102100, 1168226, 1542940, 1910650, 1928675, 1984850, 2336452, 2920565, 3821300, 3857350, 3969700, 4088791, 5841130, 7714700, 8177582, 11682260, 14602825, 16355164, 20443955, 29205650, 40887910, 58411300, 81775820, 102219775, 204439550, 408879100]

約数ペア:

[(1, 408879100), (2, 204439550), (4, 102219775), (5, 81775820), (7, 58411300), (10, 40887910), (14, 29205650), (20, 20443955), (25, 16355164), (28, 14602825), (35, 11682260), (50, 8177582), (53, 7714700), (70, 5841130), (100, 4088791), (103, 3969700), (106, 3857350), (107, 3821300), (140, 2920565), (175, 2336452), (206, 1984850), (212, 1928675), (214, 1910650), (265, 1542940), (350, 1168226), (371, 1102100), (412, 992425), (428, 955325), (515, 793940), (530, 771470), (535, 764260), (700, 584113), (721, 567100), (742, 551050), (749, 545900), (1030, 396970), (1060, 385735), (1070, 382130), (1325, 308588), (1442, 283550), (1484, 275525), (1498, 272950), (1855, 220420), (2060, 198485), (2140, 191065), (2575, 158788), (2650, 154294), (2675, 152852), (2884, 141775), (2996, 136475), (3605, 113420), (3710, 110210), (3745, 109180), (5150, 79394), (5300, 77147), (5350, 76426), (5459, 74900), (5671, 72100), (7210, 56710), (7420, 55105), (7490, 54590), (9275, 44084), (10300, 39697), (10700, 38213), (10918, 37450), (11021, 37100), (11342, 36050), (14420, 28355), (14980, 27295), (18025, 22684), (18550, 22042), (18725, 21836)]