61991300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 166656000

約数和(自身を除く): 104664700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 59, 70, 76, 79, 95, 100, 118, 133, 140, 158, 175, 190, 236, 266, 295, 316, 350, 380, 395, 413, 475, 532, 553, 590, 665, 700, 790, 826, 950, 1106, 1121, 1180, 1330, 1475, 1501, 1580, 1652, 1900, 1975, 2065, 2212, 2242, 2660, 2765, 2950, 3002, 3325, 3950, 4130, 4484, 4661, 5530, 5605, 5900, 6004, 6650, 7505, 7847, 7900, 8260, 9322, 10325, 10507, 11060, 11210, 13300, 13825, 15010, 15694, 18644, 20650, 21014, 22420, 23305, 27650, 28025, 30020, 31388, 32627, 37525, 39235, 41300, 42028, 46610, 52535, 55300, 56050, 65254, 75050, 78470, 88559, 93220, 105070, 112100, 116525, 130508, 150100, 156940, 163135, 177118, 196175, 210140, 233050, 262675, 326270, 354236, 392350, 442795, 466100, 525350, 619913, 652540, 784700, 815675, 885590, 1050700, 1239826, 1631350, 1771180, 2213975, 2479652, 3099565, 3262700, 4427950, 6199130, 8855900, 12398260, 15497825, 30995650, 61991300]

約数ペア:

[(1, 61991300), (2, 30995650), (4, 15497825), (5, 12398260), (7, 8855900), (10, 6199130), (14, 4427950), (19, 3262700), (20, 3099565), (25, 2479652), (28, 2213975), (35, 1771180), (38, 1631350), (50, 1239826), (59, 1050700), (70, 885590), (76, 815675), (79, 784700), (95, 652540), (100, 619913), (118, 525350), (133, 466100), (140, 442795), (158, 392350), (175, 354236), (190, 326270), (236, 262675), (266, 233050), (295, 210140), (316, 196175), (350, 177118), (380, 163135), (395, 156940), (413, 150100), (475, 130508), (532, 116525), (553, 112100), (590, 105070), (665, 93220), (700, 88559), (790, 78470), (826, 75050), (950, 65254), (1106, 56050), (1121, 55300), (1180, 52535), (1330, 46610), (1475, 42028), (1501, 41300), (1580, 39235), (1652, 37525), (1900, 32627), (1975, 31388), (2065, 30020), (2212, 28025), (2242, 27650), (2660, 23305), (2765, 22420), (2950, 21014), (3002, 20650), (3325, 18644), (3950, 15694), (4130, 15010), (4484, 13825), (4661, 13300), (5530, 11210), (5605, 11060), (5900, 10507), (6004, 10325), (6650, 9322), (7505, 8260), (7847, 7900)]