209321160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 660960000

約数和(自身を除く): 451638840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 184, 230, 276, 298, 345, 447, 460, 509, 552, 596, 690, 745, 894, 920, 1018, 1192, 1380, 1490, 1527, 1788, 2036, 2235, 2545, 2760, 2980, 3054, 3427, 3576, 4072, 4470, 5090, 5960, 6108, 6854, 7635, 8940, 10180, 10281, 11707, 12216, 13708, 15270, 17135, 17880, 20360, 20562, 23414, 27416, 30540, 34270, 35121, 41124, 46828, 51405, 58535, 61080, 68540, 70242, 75841, 82248, 93656, 102810, 117070, 137080, 140484, 151682, 175605, 205620, 227523, 234140, 280968, 303364, 351210, 379205, 411240, 455046, 468280, 606728, 702420, 758410, 910092, 1137615, 1404840, 1516820, 1744343, 1820184, 2275230, 3033640, 3488686, 4550460, 5233029, 6977372, 8721715, 9100920, 10466058, 13954744, 17443430, 20932116, 26165145, 34886860, 41864232, 52330290, 69773720, 104660580, 209321160]

約数ペア:

[(1, 209321160), (2, 104660580), (3, 69773720), (4, 52330290), (5, 41864232), (6, 34886860), (8, 26165145), (10, 20932116), (12, 17443430), (15, 13954744), (20, 10466058), (23, 9100920), (24, 8721715), (30, 6977372), (40, 5233029), (46, 4550460), (60, 3488686), (69, 3033640), (92, 2275230), (115, 1820184), (120, 1744343), (138, 1516820), (149, 1404840), (184, 1137615), (230, 910092), (276, 758410), (298, 702420), (345, 606728), (447, 468280), (460, 455046), (509, 411240), (552, 379205), (596, 351210), (690, 303364), (745, 280968), (894, 234140), (920, 227523), (1018, 205620), (1192, 175605), (1380, 151682), (1490, 140484), (1527, 137080), (1788, 117070), (2036, 102810), (2235, 93656), (2545, 82248), (2760, 75841), (2980, 70242), (3054, 68540), (3427, 61080), (3576, 58535), (4072, 51405), (4470, 46828), (5090, 41124), (5960, 35121), (6108, 34270), (6854, 30540), (7635, 27416), (8940, 23414), (10180, 20562), (10281, 20360), (11707, 17880), (12216, 17135), (13708, 15270)]