215936980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{23021}}^1$

素因数の和:23104

約数の個数: 48

約数和(自身を含む): 526006656

約数和(自身を除く): 310069676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 23021, 46042, 92084, 115105, 161147, 230210, 322294, 460420, 644588, 805735, 1542407, 1611470, 3084814, 3222940, 6169628, 7712035, 10796849, 15424070, 21593698, 30848140, 43187396, 53984245, 107968490, 215936980]

約数ペア:

[(1, 215936980), (2, 107968490), (4, 53984245), (5, 43187396), (7, 30848140), (10, 21593698), (14, 15424070), (20, 10796849), (28, 7712035), (35, 6169628), (67, 3222940), (70, 3084814), (134, 1611470), (140, 1542407), (268, 805735), (335, 644588), (469, 460420), (670, 322294), (938, 230210), (1340, 161147), (1876, 115105), (2345, 92084), (4690, 46042), (9380, 23021)]