205730700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97967}}^1$

素因数の和:97991

約数の個数: 72

約数和(自身を含む): 680289792

約数和(自身を除く): 474559092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 97967, 195934, 293901, 391868, 489835, 587802, 685769, 979670, 1175604, 1371538, 1469505, 1959340, 2057307, 2449175, 2743076, 2939010, 3428845, 4114614, 4898350, 5878020, 6857690, 7347525, 8229228, 9796700, 10286535, 13715380, 14695050, 17144225, 20573070, 29390100, 34288450, 41146140, 51432675, 68576900, 102865350, 205730700]

約数ペア:

[(1, 205730700), (2, 102865350), (3, 68576900), (4, 51432675), (5, 41146140), (6, 34288450), (7, 29390100), (10, 20573070), (12, 17144225), (14, 14695050), (15, 13715380), (20, 10286535), (21, 9796700), (25, 8229228), (28, 7347525), (30, 6857690), (35, 5878020), (42, 4898350), (50, 4114614), (60, 3428845), (70, 2939010), (75, 2743076), (84, 2449175), (100, 2057307), (105, 1959340), (140, 1469505), (150, 1371538), (175, 1175604), (210, 979670), (300, 685769), (350, 587802), (420, 489835), (525, 391868), (700, 293901), (1050, 195934), (2100, 97967)]