128569400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 313372800

約数和(自身を除く): 184803400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 89, 100, 124, 155, 178, 200, 233, 248, 310, 356, 445, 466, 620, 712, 775, 890, 932, 1165, 1240, 1550, 1780, 1864, 2225, 2330, 2759, 3100, 3560, 4450, 4660, 5518, 5825, 6200, 7223, 8900, 9320, 11036, 11650, 13795, 14446, 17800, 20737, 22072, 23300, 27590, 28892, 36115, 41474, 46600, 55180, 57784, 68975, 72230, 82948, 103685, 110360, 137950, 144460, 165896, 180575, 207370, 275900, 288920, 361150, 414740, 518425, 551800, 642847, 722300, 829480, 1036850, 1285694, 1444600, 2073700, 2571388, 3214235, 4147400, 5142776, 6428470, 12856940, 16071175, 25713880, 32142350, 64284700, 128569400]

約数ペア:

[(1, 128569400), (2, 64284700), (4, 32142350), (5, 25713880), (8, 16071175), (10, 12856940), (20, 6428470), (25, 5142776), (31, 4147400), (40, 3214235), (50, 2571388), (62, 2073700), (89, 1444600), (100, 1285694), (124, 1036850), (155, 829480), (178, 722300), (200, 642847), (233, 551800), (248, 518425), (310, 414740), (356, 361150), (445, 288920), (466, 275900), (620, 207370), (712, 180575), (775, 165896), (890, 144460), (932, 137950), (1165, 110360), (1240, 103685), (1550, 82948), (1780, 72230), (1864, 68975), (2225, 57784), (2330, 55180), (2759, 46600), (3100, 41474), (3560, 36115), (4450, 28892), (4660, 27590), (5518, 23300), (5825, 22072), (6200, 20737), (7223, 17800), (8900, 14446), (9320, 13795), (11036, 11650)]