201590020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 459043200

約数和(自身を除く): 257453180

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 59, 86, 116, 118, 137, 145, 172, 215, 236, 274, 290, 295, 430, 548, 580, 590, 685, 860, 1180, 1247, 1370, 1711, 2494, 2537, 2740, 3422, 3973, 4988, 5074, 5891, 6235, 6844, 7946, 8083, 8555, 10148, 11782, 12470, 12685, 15892, 16166, 17110, 19865, 23564, 24940, 25370, 29455, 32332, 34220, 39730, 40415, 50740, 58910, 73573, 79460, 80830, 117820, 147146, 161660, 170839, 234407, 294292, 341678, 347569, 367865, 468814, 683356, 695138, 735730, 854195, 937628, 1172035, 1390276, 1471460, 1708390, 1737845, 2344070, 3416780, 3475690, 4688140, 6951380, 10079501, 20159002, 40318004, 50397505, 100795010, 201590020]

約数ペア:

[(1, 201590020), (2, 100795010), (4, 50397505), (5, 40318004), (10, 20159002), (20, 10079501), (29, 6951380), (43, 4688140), (58, 3475690), (59, 3416780), (86, 2344070), (116, 1737845), (118, 1708390), (137, 1471460), (145, 1390276), (172, 1172035), (215, 937628), (236, 854195), (274, 735730), (290, 695138), (295, 683356), (430, 468814), (548, 367865), (580, 347569), (590, 341678), (685, 294292), (860, 234407), (1180, 170839), (1247, 161660), (1370, 147146), (1711, 117820), (2494, 80830), (2537, 79460), (2740, 73573), (3422, 58910), (3973, 50740), (4988, 40415), (5074, 39730), (5891, 34220), (6235, 32332), (6844, 29455), (7946, 25370), (8083, 24940), (8555, 23564), (10148, 19865), (11782, 17110), (12470, 16166), (12685, 15892)]