202182820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2003}}^1$

素因数の和:2129

約数の個数: 72

約数和(自身を含む): 498947904

約数和(自身を除く): 296765084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 2003, 2060, 2884, 3605, 4006, 5047, 7210, 8012, 10015, 10094, 14021, 14420, 20030, 20188, 25235, 28042, 40060, 50470, 56084, 70105, 98147, 100940, 140210, 196294, 206309, 280420, 392588, 412618, 490735, 825236, 981470, 1031545, 1444163, 1962940, 2063090, 2888326, 4126180, 5776652, 7220815, 10109141, 14441630, 20218282, 28883260, 40436564, 50545705, 101091410, 202182820]

約数ペア:

[(1, 202182820), (2, 101091410), (4, 50545705), (5, 40436564), (7, 28883260), (10, 20218282), (14, 14441630), (20, 10109141), (28, 7220815), (35, 5776652), (49, 4126180), (70, 2888326), (98, 2063090), (103, 1962940), (140, 1444163), (196, 1031545), (206, 981470), (245, 825236), (412, 490735), (490, 412618), (515, 392588), (721, 280420), (980, 206309), (1030, 196294), (1442, 140210), (2003, 100940), (2060, 98147), (2884, 70105), (3605, 56084), (4006, 50470), (5047, 40060), (7210, 28042), (8012, 25235), (10015, 20188), (10094, 20030), (14021, 14420)]