221052300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{105263}}^1$

素因数の和:105287

約数の個数: 72

約数和(自身を含む): 730953216

約数和(自身を除く): 509900916

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, 105263, 210526, 315789, 421052, 526315, 631578, 736841, 1052630, 1263156, 1473682, 1578945, 2105260, 2210523, 2631575, 2947364, 3157890, 3684205, 4421046, 5263150, 6315780, 7368410, 7894725, 8842092, 10526300, 11052615, 14736820, 15789450, 18421025, 22105230, 31578900, 36842050, 44210460, 55263075, 73684100, 110526150, 221052300]

約数ペア:

[(1, 221052300), (2, 110526150), (3, 73684100), (4, 55263075), (5, 44210460), (6, 36842050), (7, 31578900), (10, 22105230), (12, 18421025), (14, 15789450), (15, 14736820), (20, 11052615), (21, 10526300), (25, 8842092), (28, 7894725), (30, 7368410), (35, 6315780), (42, 5263150), (50, 4421046), (60, 3684205), (70, 3157890), (75, 2947364), (84, 2631575), (100, 2210523), (105, 2105260), (140, 1578945), (150, 1473682), (175, 1263156), (210, 1052630), (300, 736841), (350, 631578), (420, 526315), (525, 421052), (700, 315789), (1050, 210526), (2100, 105263)]