198458820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{22501}}^1$

素因数の和:22530

約数の個数: 108

約数和(自身を含む): 700307244

約数和(自身を除く): 501848424

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 22501, 45002, 67503, 90004, 112505, 135006, 157507, 202509, 225010, 270012, 315014, 337515, 405018, 450020, 472521, 630028, 675030, 787535, 810036, 945042, 1012545, 1102549, 1350060, 1417563, 1575070, 1890084, 2025090, 2205098, 2362605, 2835126, 3150140, 3307647, 4050180, 4410196, 4725210, 5512745, 5670252, 6615294, 7087815, 9450420, 9922941, 11025490, 13230588, 14175630, 16538235, 19845882, 22050980, 28351260, 33076470, 39691764, 49614705, 66152940, 99229410, 198458820]

約数ペア:

[(1, 198458820), (2, 99229410), (3, 66152940), (4, 49614705), (5, 39691764), (6, 33076470), (7, 28351260), (9, 22050980), (10, 19845882), (12, 16538235), (14, 14175630), (15, 13230588), (18, 11025490), (20, 9922941), (21, 9450420), (28, 7087815), (30, 6615294), (35, 5670252), (36, 5512745), (42, 4725210), (45, 4410196), (49, 4050180), (60, 3307647), (63, 3150140), (70, 2835126), (84, 2362605), (90, 2205098), (98, 2025090), (105, 1890084), (126, 1575070), (140, 1417563), (147, 1350060), (180, 1102549), (196, 1012545), (210, 945042), (245, 810036), (252, 787535), (294, 675030), (315, 630028), (420, 472521), (441, 450020), (490, 405018), (588, 337515), (630, 315014), (735, 270012), (882, 225010), (980, 202509), (1260, 157507), (1470, 135006), (1764, 112505), (2205, 90004), (2940, 67503), (4410, 45002), (8820, 22501)]