212344330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 218757110

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 197, 205, 239, 394, 410, 451, 478, 902, 985, 1195, 1970, 2167, 2255, 2390, 2629, 4334, 4510, 5258, 8077, 9799, 10835, 13145, 16154, 19598, 21670, 26290, 40385, 47083, 48995, 80770, 88847, 94166, 97990, 107789, 177694, 215578, 235415, 444235, 470830, 517913, 538945, 888470, 1035826, 1077890, 1930403, 2589565, 3860806, 5179130, 9652015, 19304030, 21234433, 42468866, 106172165, 212344330]

約数ペア:

[(1, 212344330), (2, 106172165), (5, 42468866), (10, 21234433), (11, 19304030), (22, 9652015), (41, 5179130), (55, 3860806), (82, 2589565), (110, 1930403), (197, 1077890), (205, 1035826), (239, 888470), (394, 538945), (410, 517913), (451, 470830), (478, 444235), (902, 235415), (985, 215578), (1195, 177694), (1970, 107789), (2167, 97990), (2255, 94166), (2390, 88847), (2629, 80770), (4334, 48995), (4510, 47083), (5258, 40385), (8077, 26290), (9799, 21670), (10835, 19598), (13145, 16154)]