209216500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 482017536

約数和(自身を除く): 272801036

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 43, 50, 74, 86, 100, 125, 148, 172, 185, 215, 250, 263, 370, 430, 500, 526, 740, 860, 925, 1052, 1075, 1315, 1591, 1850, 2150, 2630, 3182, 3700, 4300, 4625, 5260, 5375, 6364, 6575, 7955, 9250, 9731, 10750, 11309, 13150, 15910, 18500, 19462, 21500, 22618, 26300, 31820, 32875, 38924, 39775, 45236, 48655, 56545, 65750, 79550, 97310, 113090, 131500, 159100, 194620, 198875, 226180, 243275, 282725, 397750, 418433, 486550, 565450, 795500, 836866, 973100, 1130900, 1216375, 1413625, 1673732, 2092165, 2432750, 2827250, 4184330, 4865500, 5654500, 8368660, 10460825, 20921650, 41843300, 52304125, 104608250, 209216500]

約数ペア:

[(1, 209216500), (2, 104608250), (4, 52304125), (5, 41843300), (10, 20921650), (20, 10460825), (25, 8368660), (37, 5654500), (43, 4865500), (50, 4184330), (74, 2827250), (86, 2432750), (100, 2092165), (125, 1673732), (148, 1413625), (172, 1216375), (185, 1130900), (215, 973100), (250, 836866), (263, 795500), (370, 565450), (430, 486550), (500, 418433), (526, 397750), (740, 282725), (860, 243275), (925, 226180), (1052, 198875), (1075, 194620), (1315, 159100), (1591, 131500), (1850, 113090), (2150, 97310), (2630, 79550), (3182, 65750), (3700, 56545), (4300, 48655), (4625, 45236), (5260, 39775), (5375, 38924), (6364, 32875), (6575, 31820), (7955, 26300), (9250, 22618), (9731, 21500), (10750, 19462), (11309, 18500), (13150, 15910)]