827831558420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{5279}}^1$

素因数の和:5590

約数の個数: 144

約数和(自身を含む): 1849744512000

約数和(自身を除く): 1021912953580

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 199, 205, 310, 398, 410, 620, 796, 820, 961, 995, 1271, 1922, 1990, 2542, 3844, 3980, 4805, 5084, 5279, 6169, 6355, 8159, 9610, 10558, 12338, 12710, 16318, 19220, 21116, 24676, 25420, 26395, 30845, 32636, 39401, 40795, 52790, 61690, 78802, 81590, 105580, 123380, 157604, 163180, 163649, 191239, 197005, 216439, 252929, 327298, 382478, 394010, 432878, 505858, 654596, 764956, 788020, 818245, 865756, 956195, 1011716, 1050521, 1082195, 1264645, 1636490, 1912390, 2101042, 2164390, 2529290, 3272980, 3824780, 4202084, 4328780, 5058580, 5073119, 5252605, 6709609, 7840799, 10146238, 10505210, 13419218, 15681598, 20292476, 21010420, 25365595, 26838436, 31363196, 32566151, 33548045, 39203995, 43071361, 50731190, 65132302, 67096090, 78407990, 86142722, 101462380, 130264604, 134192180, 156815980, 162830755, 172285444, 207997879, 215356805, 325661510, 415995758, 430713610, 651323020, 831991516, 861427220, 1009550681, 1039989395, 1335212191, 2019101362, 2079978790, 2670424382, 4038202724, 4159957580, 5047753405, 5340848764, 6676060955, 10095506810, 13352121910, 20191013620, 26704243820, 41391577921, 82783155842, 165566311684, 206957889605, 413915779210, 827831558420]

約数ペア:

[(1, 827831558420), (2, 413915779210), (4, 206957889605), (5, 165566311684), (10, 82783155842), (20, 41391577921), (31, 26704243820), (41, 20191013620), (62, 13352121910), (82, 10095506810), (124, 6676060955), (155, 5340848764), (164, 5047753405), (199, 4159957580), (205, 4038202724), (310, 2670424382), (398, 2079978790), (410, 2019101362), (620, 1335212191), (796, 1039989395), (820, 1009550681), (961, 861427220), (995, 831991516), (1271, 651323020), (1922, 430713610), (1990, 415995758), (2542, 325661510), (3844, 215356805), (3980, 207997879), (4805, 172285444), (5084, 162830755), (5279, 156815980), (6169, 134192180), (6355, 130264604), (8159, 101462380), (9610, 86142722), (10558, 78407990), (12338, 67096090), (12710, 65132302), (16318, 50731190), (19220, 43071361), (21116, 39203995), (24676, 33548045), (25420, 32566151), (26395, 31363196), (30845, 26838436), (32636, 25365595), (39401, 21010420), (40795, 20292476), (52790, 15681598), (61690, 13419218), (78802, 10505210), (81590, 10146238), (105580, 7840799), (123380, 6709609), (157604, 5252605), (163180, 5073119), (163649, 5058580), (191239, 4328780), (197005, 4202084), (216439, 3824780), (252929, 3272980), (327298, 2529290), (382478, 2164390), (394010, 2101042), (432878, 1912390), (505858, 1636490), (654596, 1264645), (764956, 1082195), (788020, 1050521), (818245, 1011716), (865756, 956195)]