72440900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{433}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 180821760

約数和(自身を除く): 108380860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 239, 350, 433, 478, 700, 866, 956, 1195, 1673, 1732, 2165, 2390, 3031, 3346, 4330, 4780, 5975, 6062, 6692, 8365, 8660, 10825, 11950, 12124, 15155, 16730, 21650, 23900, 30310, 33460, 41825, 43300, 60620, 75775, 83650, 103487, 151550, 167300, 206974, 303100, 413948, 517435, 724409, 1034870, 1448818, 2069740, 2587175, 2897636, 3622045, 5174350, 7244090, 10348700, 14488180, 18110225, 36220450, 72440900]

約数ペア:

[(1, 72440900), (2, 36220450), (4, 18110225), (5, 14488180), (7, 10348700), (10, 7244090), (14, 5174350), (20, 3622045), (25, 2897636), (28, 2587175), (35, 2069740), (50, 1448818), (70, 1034870), (100, 724409), (140, 517435), (175, 413948), (239, 303100), (350, 206974), (433, 167300), (478, 151550), (700, 103487), (866, 83650), (956, 75775), (1195, 60620), (1673, 43300), (1732, 41825), (2165, 33460), (2390, 30310), (3031, 23900), (3346, 21650), (4330, 16730), (4780, 15155), (5975, 12124), (6062, 11950), (6692, 10825), (8365, 8660)]