217145320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6863}}^1$

素因数の和:6994

約数の個数: 64

約数和(自身を含む): 563397120

約数和(自身を除く): 346251800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2260, 3164, 3955, 4520, 6328, 6863, 7910, 13726, 15820, 27452, 31640, 34315, 48041, 54904, 68630, 96082, 137260, 192164, 240205, 274520, 384328, 480410, 775519, 960820, 1551038, 1921640, 3102076, 3877595, 5428633, 6204152, 7755190, 10857266, 15510380, 21714532, 27143165, 31020760, 43429064, 54286330, 108572660, 217145320]

約数ペア:

[(1, 217145320), (2, 108572660), (4, 54286330), (5, 43429064), (7, 31020760), (8, 27143165), (10, 21714532), (14, 15510380), (20, 10857266), (28, 7755190), (35, 6204152), (40, 5428633), (56, 3877595), (70, 3102076), (113, 1921640), (140, 1551038), (226, 960820), (280, 775519), (452, 480410), (565, 384328), (791, 274520), (904, 240205), (1130, 192164), (1582, 137260), (2260, 96082), (3164, 68630), (3955, 54904), (4520, 48041), (6328, 34315), (6863, 31640), (7910, 27452), (13726, 15820)]