22120060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 51060240

約数和(自身を除く): 28940180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 89, 170, 172, 178, 215, 289, 340, 356, 430, 445, 578, 731, 860, 890, 1156, 1445, 1462, 1513, 1780, 2890, 2924, 3026, 3655, 3827, 5780, 6052, 7310, 7565, 7654, 12427, 14620, 15130, 15308, 19135, 24854, 25721, 30260, 38270, 49708, 51442, 62135, 65059, 76540, 102884, 124270, 128605, 130118, 248540, 257210, 260236, 325295, 514420, 650590, 1106003, 1301180, 2212006, 4424012, 5530015, 11060030, 22120060]

約数ペア:

[(1, 22120060), (2, 11060030), (4, 5530015), (5, 4424012), (10, 2212006), (17, 1301180), (20, 1106003), (34, 650590), (43, 514420), (68, 325295), (85, 260236), (86, 257210), (89, 248540), (170, 130118), (172, 128605), (178, 124270), (215, 102884), (289, 76540), (340, 65059), (356, 62135), (430, 51442), (445, 49708), (578, 38270), (731, 30260), (860, 25721), (890, 24854), (1156, 19135), (1445, 15308), (1462, 15130), (1513, 14620), (1780, 12427), (2890, 7654), (2924, 7565), (3026, 7310), (3655, 6052), (3827, 5780)]