208900890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1965

約数の個数: 128

約数和(自身を含む): 624464640

約数和(自身を除く): 415563750

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 37, 45, 54, 55, 66, 74, 90, 99, 110, 111, 135, 165, 185, 198, 222, 270, 297, 330, 333, 370, 407, 495, 555, 594, 666, 814, 990, 999, 1110, 1221, 1485, 1665, 1901, 1998, 2035, 2442, 2970, 3330, 3663, 3802, 4070, 4995, 5703, 6105, 7326, 9505, 9990, 10989, 11406, 12210, 17109, 18315, 19010, 20911, 21978, 28515, 34218, 36630, 41822, 51327, 54945, 57030, 62733, 70337, 85545, 102654, 104555, 109890, 125466, 140674, 171090, 188199, 209110, 211011, 256635, 313665, 351685, 376398, 422022, 513270, 564597, 627330, 633033, 703370, 773707, 940995, 1055055, 1129194, 1266066, 1547414, 1881990, 1899099, 2110110, 2321121, 2822985, 3165165, 3798198, 3868535, 4642242, 5645970, 6330330, 6963363, 7737070, 9495495, 11605605, 13926726, 18990990, 20890089, 23211210, 34816815, 41780178, 69633630, 104450445, 208900890]

約数ペア:

[(1, 208900890), (2, 104450445), (3, 69633630), (5, 41780178), (6, 34816815), (9, 23211210), (10, 20890089), (11, 18990990), (15, 13926726), (18, 11605605), (22, 9495495), (27, 7737070), (30, 6963363), (33, 6330330), (37, 5645970), (45, 4642242), (54, 3868535), (55, 3798198), (66, 3165165), (74, 2822985), (90, 2321121), (99, 2110110), (110, 1899099), (111, 1881990), (135, 1547414), (165, 1266066), (185, 1129194), (198, 1055055), (222, 940995), (270, 773707), (297, 703370), (330, 633033), (333, 627330), (370, 564597), (407, 513270), (495, 422022), (555, 376398), (594, 351685), (666, 313665), (814, 256635), (990, 211011), (999, 209110), (1110, 188199), (1221, 171090), (1485, 140674), (1665, 125466), (1901, 109890), (1998, 104555), (2035, 102654), (2442, 85545), (2970, 70337), (3330, 62733), (3663, 57030), (3802, 54945), (4070, 51327), (4995, 41822), (5703, 36630), (6105, 34218), (7326, 28515), (9505, 21978), (9990, 20911), (10989, 19010), (11406, 18315), (12210, 17109)]