230905220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 635416320

約数和(自身を除く): 404511100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 289, 340, 364, 439, 442, 455, 476, 578, 595, 878, 884, 910, 1105, 1156, 1190, 1445, 1547, 1756, 1820, 2023, 2195, 2210, 2380, 2890, 3073, 3094, 3757, 4046, 4390, 4420, 5707, 5780, 6146, 6188, 7463, 7514, 7735, 8092, 8780, 10115, 11414, 12292, 14926, 15028, 15365, 15470, 18785, 20230, 22828, 26299, 28535, 29852, 30730, 30940, 37315, 37570, 39949, 40460, 52241, 52598, 57070, 61460, 74630, 75140, 79898, 97019, 104482, 105196, 114140, 126871, 131495, 149260, 159796, 194038, 199745, 208964, 253742, 261205, 262990, 388076, 399490, 485095, 507484, 522410, 525980, 634355, 679133, 798980, 888097, 970190, 1044820, 1268710, 1358266, 1649323, 1776194, 1940380, 2537420, 2716532, 3298646, 3395665, 3552388, 4440485, 6597292, 6791330, 8246615, 8880970, 11545261, 13582660, 16493230, 17761940, 23090522, 32986460, 46181044, 57726305, 115452610, 230905220]

約数ペア:

[(1, 230905220), (2, 115452610), (4, 57726305), (5, 46181044), (7, 32986460), (10, 23090522), (13, 17761940), (14, 16493230), (17, 13582660), (20, 11545261), (26, 8880970), (28, 8246615), (34, 6791330), (35, 6597292), (52, 4440485), (65, 3552388), (68, 3395665), (70, 3298646), (85, 2716532), (91, 2537420), (119, 1940380), (130, 1776194), (140, 1649323), (170, 1358266), (182, 1268710), (221, 1044820), (238, 970190), (260, 888097), (289, 798980), (340, 679133), (364, 634355), (439, 525980), (442, 522410), (455, 507484), (476, 485095), (578, 399490), (595, 388076), (878, 262990), (884, 261205), (910, 253742), (1105, 208964), (1156, 199745), (1190, 194038), (1445, 159796), (1547, 149260), (1756, 131495), (1820, 126871), (2023, 114140), (2195, 105196), (2210, 104482), (2380, 97019), (2890, 79898), (3073, 75140), (3094, 74630), (3757, 61460), (4046, 57070), (4390, 52598), (4420, 52241), (5707, 40460), (5780, 39949), (6146, 37570), (6188, 37315), (7463, 30940), (7514, 30730), (7735, 29852), (8092, 28535), (8780, 26299), (10115, 22828), (11414, 20230), (12292, 18785), (14926, 15470), (15028, 15365)]