221417700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{105437}}^1$

素因数の和:105461

約数の個数: 72

約数和(自身を含む): 732161472

約数和(自身を除く): 510743772

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, 105437, 210874, 316311, 421748, 527185, 632622, 738059, 1054370, 1265244, 1476118, 1581555, 2108740, 2214177, 2635925, 2952236, 3163110, 3690295, 4428354, 5271850, 6326220, 7380590, 7907775, 8856708, 10543700, 11070885, 14761180, 15815550, 18451475, 22141770, 31631100, 36902950, 44283540, 55354425, 73805900, 110708850, 221417700]

約数ペア:

[(1, 221417700), (2, 110708850), (3, 73805900), (4, 55354425), (5, 44283540), (6, 36902950), (7, 31631100), (10, 22141770), (12, 18451475), (14, 15815550), (15, 14761180), (20, 11070885), (21, 10543700), (25, 8856708), (28, 7907775), (30, 7380590), (35, 6326220), (42, 5271850), (50, 4428354), (60, 3690295), (70, 3163110), (75, 2952236), (84, 2635925), (100, 2214177), (105, 2108740), (140, 1581555), (150, 1476118), (175, 1265244), (210, 1054370), (300, 738059), (350, 632622), (420, 527185), (525, 421748), (700, 316311), (1050, 210874), (2100, 105437)]