18508728700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{218521}}^1$

素因数の和:218564

約数の個数: 108

約数和(自身を含む): 50454107536

約数和(自身を除く): 31945378836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 121, 140, 154, 175, 220, 242, 275, 308, 350, 385, 484, 550, 605, 700, 770, 847, 1100, 1210, 1540, 1694, 1925, 2420, 3025, 3388, 3850, 4235, 6050, 7700, 8470, 12100, 16940, 21175, 42350, 84700, 218521, 437042, 874084, 1092605, 1529647, 2185210, 2403731, 3059294, 4370420, 4807462, 5463025, 6118588, 7648235, 9614924, 10926050, 12018655, 15296470, 16826117, 21852100, 24037310, 26441041, 30592940, 33652234, 38241175, 48074620, 52882082, 60093275, 67304468, 76482350, 84130585, 105764164, 120186550, 132205205, 152964700, 168261170, 185087287, 240373100, 264410410, 336522340, 370174574, 420652925, 528820820, 661026025, 740349148, 841305850, 925436435, 1322052050, 1682611700, 1850872870, 2644104100, 3701745740, 4627182175, 9254364350, 18508728700]

約数ペア:

[(1, 18508728700), (2, 9254364350), (4, 4627182175), (5, 3701745740), (7, 2644104100), (10, 1850872870), (11, 1682611700), (14, 1322052050), (20, 925436435), (22, 841305850), (25, 740349148), (28, 661026025), (35, 528820820), (44, 420652925), (50, 370174574), (55, 336522340), (70, 264410410), (77, 240373100), (100, 185087287), (110, 168261170), (121, 152964700), (140, 132205205), (154, 120186550), (175, 105764164), (220, 84130585), (242, 76482350), (275, 67304468), (308, 60093275), (350, 52882082), (385, 48074620), (484, 38241175), (550, 33652234), (605, 30592940), (700, 26441041), (770, 24037310), (847, 21852100), (1100, 16826117), (1210, 15296470), (1540, 12018655), (1694, 10926050), (1925, 9614924), (2420, 7648235), (3025, 6118588), (3388, 5463025), (3850, 4807462), (4235, 4370420), (6050, 3059294), (7700, 2403731), (8470, 2185210), (12100, 1529647), (16940, 1092605), (21175, 874084), (42350, 437042), (84700, 218521)]