205580900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^2$

素因数の和:270

約数の個数: 108

約数和(自身を含む): 536757312

約数和(自身を除く): 331176412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 113, 115, 140, 161, 175, 226, 230, 322, 350, 452, 460, 565, 575, 644, 700, 791, 805, 1130, 1150, 1582, 1610, 2260, 2300, 2599, 2825, 3164, 3220, 3955, 4025, 5198, 5650, 7910, 8050, 10396, 11300, 12769, 12995, 15820, 16100, 18193, 19775, 25538, 25990, 36386, 39550, 51076, 51980, 63845, 64975, 72772, 79100, 89383, 90965, 127690, 129950, 178766, 181930, 255380, 259900, 293687, 319225, 357532, 363860, 446915, 454825, 587374, 638450, 893830, 909650, 1174748, 1276900, 1468435, 1787660, 1819300, 2055809, 2234575, 2936870, 4111618, 4469150, 5873740, 7342175, 8223236, 8938300, 10279045, 14684350, 20558090, 29368700, 41116180, 51395225, 102790450, 205580900]

約数ペア:

[(1, 205580900), (2, 102790450), (4, 51395225), (5, 41116180), (7, 29368700), (10, 20558090), (14, 14684350), (20, 10279045), (23, 8938300), (25, 8223236), (28, 7342175), (35, 5873740), (46, 4469150), (50, 4111618), (70, 2936870), (92, 2234575), (100, 2055809), (113, 1819300), (115, 1787660), (140, 1468435), (161, 1276900), (175, 1174748), (226, 909650), (230, 893830), (322, 638450), (350, 587374), (452, 454825), (460, 446915), (565, 363860), (575, 357532), (644, 319225), (700, 293687), (791, 259900), (805, 255380), (1130, 181930), (1150, 178766), (1582, 129950), (1610, 127690), (2260, 90965), (2300, 89383), (2599, 79100), (2825, 72772), (3164, 64975), (3220, 63845), (3955, 51980), (4025, 51076), (5198, 39550), (5650, 36386), (7910, 25990), (8050, 25538), (10396, 19775), (11300, 18193), (12769, 16100), (12995, 15820)]