9800840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 27993600

約数和(自身を除く): 18192760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 71, 85, 116, 119, 136, 140, 142, 145, 170, 203, 232, 238, 280, 284, 290, 340, 355, 406, 476, 493, 497, 568, 580, 595, 680, 710, 812, 952, 986, 994, 1015, 1160, 1190, 1207, 1420, 1624, 1972, 1988, 2030, 2059, 2380, 2414, 2465, 2485, 2840, 3451, 3944, 3976, 4060, 4118, 4760, 4828, 4930, 4970, 6035, 6902, 8120, 8236, 8449, 9656, 9860, 9940, 10295, 12070, 13804, 14413, 16472, 16898, 17255, 19720, 19880, 20590, 24140, 27608, 28826, 33796, 34510, 35003, 41180, 42245, 48280, 57652, 67592, 69020, 70006, 72065, 82360, 84490, 115304, 138040, 140012, 144130, 168980, 175015, 245021, 280024, 288260, 337960, 350030, 490042, 576520, 700060, 980084, 1225105, 1400120, 1960168, 2450210, 4900420, 9800840]

約数ペア:

[(1, 9800840), (2, 4900420), (4, 2450210), (5, 1960168), (7, 1400120), (8, 1225105), (10, 980084), (14, 700060), (17, 576520), (20, 490042), (28, 350030), (29, 337960), (34, 288260), (35, 280024), (40, 245021), (56, 175015), (58, 168980), (68, 144130), (70, 140012), (71, 138040), (85, 115304), (116, 84490), (119, 82360), (136, 72065), (140, 70006), (142, 69020), (145, 67592), (170, 57652), (203, 48280), (232, 42245), (238, 41180), (280, 35003), (284, 34510), (290, 33796), (340, 28826), (355, 27608), (406, 24140), (476, 20590), (493, 19880), (497, 19720), (568, 17255), (580, 16898), (595, 16472), (680, 14413), (710, 13804), (812, 12070), (952, 10295), (986, 9940), (994, 9860), (1015, 9656), (1160, 8449), (1190, 8236), (1207, 8120), (1420, 6902), (1624, 6035), (1972, 4970), (1988, 4930), (2030, 4828), (2059, 4760), (2380, 4118), (2414, 4060), (2465, 3976), (2485, 3944), (2840, 3451)]