164145100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 108

約数和(自身を含む): 419061720

約数和(自身を除く): 254916620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 139, 140, 175, 196, 241, 245, 278, 350, 482, 490, 556, 695, 700, 964, 973, 980, 1205, 1225, 1390, 1687, 1946, 2410, 2450, 2780, 3374, 3475, 3892, 4820, 4865, 4900, 6025, 6748, 6811, 6950, 8435, 9730, 11809, 12050, 13622, 13900, 16870, 19460, 23618, 24100, 24325, 27244, 33499, 33740, 34055, 42175, 47236, 48650, 59045, 66998, 68110, 84350, 97300, 118090, 133996, 136220, 167495, 168700, 170275, 234493, 236180, 295225, 334990, 340550, 468986, 590450, 669980, 681100, 837475, 937972, 1172465, 1180900, 1641451, 1674950, 2344930, 3282902, 3349900, 4689860, 5862325, 6565804, 8207255, 11724650, 16414510, 23449300, 32829020, 41036275, 82072550, 164145100]

約数ペア:

[(1, 164145100), (2, 82072550), (4, 41036275), (5, 32829020), (7, 23449300), (10, 16414510), (14, 11724650), (20, 8207255), (25, 6565804), (28, 5862325), (35, 4689860), (49, 3349900), (50, 3282902), (70, 2344930), (98, 1674950), (100, 1641451), (139, 1180900), (140, 1172465), (175, 937972), (196, 837475), (241, 681100), (245, 669980), (278, 590450), (350, 468986), (482, 340550), (490, 334990), (556, 295225), (695, 236180), (700, 234493), (964, 170275), (973, 168700), (980, 167495), (1205, 136220), (1225, 133996), (1390, 118090), (1687, 97300), (1946, 84350), (2410, 68110), (2450, 66998), (2780, 59045), (3374, 48650), (3475, 47236), (3892, 42175), (4820, 34055), (4865, 33740), (4900, 33499), (6025, 27244), (6748, 24325), (6811, 24100), (6950, 23618), (8435, 19460), (9730, 16870), (11809, 13900), (12050, 13622)]