209755170

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 595183680

約数和(自身を除く): 385428510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 139, 162, 207, 230, 243, 270, 278, 345, 405, 414, 417, 486, 621, 690, 695, 729, 810, 834, 1035, 1215, 1242, 1251, 1390, 1458, 1863, 2070, 2085, 2187, 2430, 2502, 3105, 3197, 3645, 3726, 3753, 4170, 4374, 5589, 6210, 6255, 6394, 6561, 7290, 7506, 9315, 9591, 10935, 11178, 11259, 12510, 13122, 15985, 16767, 18630, 18765, 19182, 21870, 22518, 27945, 28773, 31970, 32805, 33534, 33777, 37530, 47955, 50301, 55890, 56295, 57546, 65610, 67554, 83835, 86319, 95910, 100602, 101331, 112590, 143865, 150903, 167670, 168885, 172638, 202662, 251505, 258957, 287730, 301806, 303993, 337770, 431595, 503010, 506655, 517914, 607986, 754515, 776871, 863190, 911979, 1013310, 1294785, 1509030, 1519965, 1553742, 1823958, 2330613, 2589570, 3039930, 3884355, 4559895, 4661226, 6991839, 7768710, 9119790, 11653065, 13983678, 20975517, 23306130, 34959195, 41951034, 69918390, 104877585, 209755170]

約数ペア:

[(1, 209755170), (2, 104877585), (3, 69918390), (5, 41951034), (6, 34959195), (9, 23306130), (10, 20975517), (15, 13983678), (18, 11653065), (23, 9119790), (27, 7768710), (30, 6991839), (45, 4661226), (46, 4559895), (54, 3884355), (69, 3039930), (81, 2589570), (90, 2330613), (115, 1823958), (135, 1553742), (138, 1519965), (139, 1509030), (162, 1294785), (207, 1013310), (230, 911979), (243, 863190), (270, 776871), (278, 754515), (345, 607986), (405, 517914), (414, 506655), (417, 503010), (486, 431595), (621, 337770), (690, 303993), (695, 301806), (729, 287730), (810, 258957), (834, 251505), (1035, 202662), (1215, 172638), (1242, 168885), (1251, 167670), (1390, 150903), (1458, 143865), (1863, 112590), (2070, 101331), (2085, 100602), (2187, 95910), (2430, 86319), (2502, 83835), (3105, 67554), (3197, 65610), (3645, 57546), (3726, 56295), (3753, 55890), (4170, 50301), (4374, 47955), (5589, 37530), (6210, 33777), (6255, 33534), (6394, 32805), (6561, 31970), (7290, 28773), (7506, 27945), (9315, 22518), (9591, 21870), (10935, 19182), (11178, 18765), (11259, 18630), (12510, 16767), (13122, 15985)]