209216800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20117}}^1$

素因数の和:20150

約数の個数: 72

約数和(自身を含む): 550066356

約数和(自身を除く): 340849556

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 20117, 40234, 80468, 100585, 160936, 201170, 261521, 321872, 402340, 502925, 523042, 643744, 804680, 1005850, 1046084, 1307605, 1609360, 2011700, 2092168, 2615210, 3218720, 4023400, 4184336, 5230420, 6538025, 8046800, 8368672, 10460840, 13076050, 16093600, 20921680, 26152100, 41843360, 52304200, 104608400, 209216800]

約数ペア:

[(1, 209216800), (2, 104608400), (4, 52304200), (5, 41843360), (8, 26152100), (10, 20921680), (13, 16093600), (16, 13076050), (20, 10460840), (25, 8368672), (26, 8046800), (32, 6538025), (40, 5230420), (50, 4184336), (52, 4023400), (65, 3218720), (80, 2615210), (100, 2092168), (104, 2011700), (130, 1609360), (160, 1307605), (200, 1046084), (208, 1005850), (260, 804680), (325, 643744), (400, 523042), (416, 502925), (520, 402340), (650, 321872), (800, 261521), (1040, 201170), (1300, 160936), (2080, 100585), (2600, 80468), (5200, 40234), (10400, 20117)]