84868420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 234638208

約数和(自身を除く): 149769788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 169, 170, 182, 211, 221, 238, 260, 338, 340, 364, 422, 442, 455, 476, 595, 676, 844, 845, 884, 910, 1055, 1105, 1183, 1190, 1477, 1547, 1690, 1820, 2110, 2210, 2366, 2380, 2743, 2873, 2954, 3094, 3380, 3587, 4220, 4420, 4732, 5486, 5746, 5908, 5915, 6188, 7174, 7385, 7735, 10972, 11492, 11830, 13715, 14348, 14365, 14770, 15470, 17935, 19201, 20111, 23660, 25109, 27430, 28730, 29540, 30940, 35659, 35870, 38402, 40222, 46631, 50218, 54860, 57460, 71318, 71740, 76804, 80444, 93262, 96005, 100436, 100555, 125545, 142636, 178295, 186524, 192010, 201110, 233155, 249613, 251090, 326417, 356590, 384020, 402220, 466310, 499226, 502180, 606203, 652834, 713180, 932620, 998452, 1212406, 1248065, 1305668, 1632085, 2424812, 2496130, 3031015, 3264170, 4243421, 4992260, 6062030, 6528340, 8486842, 12124060, 16973684, 21217105, 42434210, 84868420]

約数ペア:

[(1, 84868420), (2, 42434210), (4, 21217105), (5, 16973684), (7, 12124060), (10, 8486842), (13, 6528340), (14, 6062030), (17, 4992260), (20, 4243421), (26, 3264170), (28, 3031015), (34, 2496130), (35, 2424812), (52, 1632085), (65, 1305668), (68, 1248065), (70, 1212406), (85, 998452), (91, 932620), (119, 713180), (130, 652834), (140, 606203), (169, 502180), (170, 499226), (182, 466310), (211, 402220), (221, 384020), (238, 356590), (260, 326417), (338, 251090), (340, 249613), (364, 233155), (422, 201110), (442, 192010), (455, 186524), (476, 178295), (595, 142636), (676, 125545), (844, 100555), (845, 100436), (884, 96005), (910, 93262), (1055, 80444), (1105, 76804), (1183, 71740), (1190, 71318), (1477, 57460), (1547, 54860), (1690, 50218), (1820, 46631), (2110, 40222), (2210, 38402), (2366, 35870), (2380, 35659), (2743, 30940), (2873, 29540), (2954, 28730), (3094, 27430), (3380, 25109), (3587, 23660), (4220, 20111), (4420, 19201), (4732, 17935), (5486, 15470), (5746, 14770), (5908, 14365), (5915, 14348), (6188, 13715), (7174, 11830), (7385, 11492), (7735, 10972)]