202201910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 399168000

約数和(自身を除く): 196966090

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 139, 170, 199, 215, 278, 398, 430, 695, 731, 995, 1390, 1462, 1990, 2363, 3383, 3655, 4726, 5977, 6766, 7310, 8557, 11815, 11954, 16915, 17114, 23630, 27661, 29885, 33830, 42785, 55322, 59770, 85570, 101609, 138305, 145469, 203218, 276610, 290938, 470237, 508045, 727345, 940474, 1016090, 1189423, 1454690, 2351185, 2378846, 4702370, 5947115, 11894230, 20220191, 40440382, 101100955, 202201910]

約数ペア:

[(1, 202201910), (2, 101100955), (5, 40440382), (10, 20220191), (17, 11894230), (34, 5947115), (43, 4702370), (85, 2378846), (86, 2351185), (139, 1454690), (170, 1189423), (199, 1016090), (215, 940474), (278, 727345), (398, 508045), (430, 470237), (695, 290938), (731, 276610), (995, 203218), (1390, 145469), (1462, 138305), (1990, 101609), (2363, 85570), (3383, 59770), (3655, 55322), (4726, 42785), (5977, 33830), (6766, 29885), (7310, 27661), (8557, 23630), (11815, 17114), (11954, 16915)]