205164900

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{8443}}^1$

素因数の和:8472

約数の個数: 108

約数和(自身を含む): 666974672

約数和(自身を除く): 461809772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 900, 972, 1215, 1350, 1620, 2025, 2430, 2700, 4050, 4860, 6075, 8100, 8443, 12150, 16886, 24300, 25329, 33772, 42215, 50658, 75987, 84430, 101316, 126645, 151974, 168860, 211075, 227961, 253290, 303948, 379935, 422150, 455922, 506580, 633225, 683883, 759870, 844300, 911844, 1139805, 1266450, 1367766, 1519740, 1899675, 2051649, 2279610, 2532900, 2735532, 3419415, 3799350, 4103298, 4559220, 5699025, 6838830, 7598700, 8206596, 10258245, 11398050, 13677660, 17097075, 20516490, 22796100, 34194150, 41032980, 51291225, 68388300, 102582450, 205164900]

約数ペア:

[(1, 205164900), (2, 102582450), (3, 68388300), (4, 51291225), (5, 41032980), (6, 34194150), (9, 22796100), (10, 20516490), (12, 17097075), (15, 13677660), (18, 11398050), (20, 10258245), (25, 8206596), (27, 7598700), (30, 6838830), (36, 5699025), (45, 4559220), (50, 4103298), (54, 3799350), (60, 3419415), (75, 2735532), (81, 2532900), (90, 2279610), (100, 2051649), (108, 1899675), (135, 1519740), (150, 1367766), (162, 1266450), (180, 1139805), (225, 911844), (243, 844300), (270, 759870), (300, 683883), (324, 633225), (405, 506580), (450, 455922), (486, 422150), (540, 379935), (675, 303948), (810, 253290), (900, 227961), (972, 211075), (1215, 168860), (1350, 151974), (1620, 126645), (2025, 101316), (2430, 84430), (2700, 75987), (4050, 50658), (4860, 42215), (6075, 33772), (8100, 25329), (8443, 24300), (12150, 16886)]