2017799420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3863}}^1$

素因数の和:3940

約数の個数: 144

約数和(自身を含む): 5439244608

約数和(自身を除く): 3421445188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 65, 70, 82, 91, 98, 130, 140, 164, 182, 196, 205, 245, 260, 287, 364, 410, 455, 490, 533, 574, 637, 820, 910, 980, 1066, 1148, 1274, 1435, 1820, 2009, 2132, 2548, 2665, 2870, 3185, 3731, 3863, 4018, 5330, 5740, 6370, 7462, 7726, 8036, 10045, 10660, 12740, 14924, 15452, 18655, 19315, 20090, 26117, 27041, 37310, 38630, 40180, 50219, 52234, 54082, 74620, 77260, 100438, 104468, 108164, 130585, 135205, 158383, 189287, 200876, 251095, 261170, 270410, 316766, 351533, 378574, 502190, 522340, 540820, 633532, 703066, 757148, 791915, 946435, 1004380, 1108681, 1406132, 1583830, 1757665, 1892870, 2058979, 2217362, 2460731, 3167660, 3515330, 3785740, 4117958, 4434724, 4921462, 5543405, 7030660, 7760767, 8235916, 9842924, 10294895, 11086810, 12303655, 14412853, 15521534, 20589790, 22173620, 24607310, 28825706, 31043068, 38803835, 41179580, 49214620, 57651412, 72064265, 77607670, 100889971, 144128530, 155215340, 201779942, 288257060, 403559884, 504449855, 1008899710, 2017799420]

約数ペア:

[(1, 2017799420), (2, 1008899710), (4, 504449855), (5, 403559884), (7, 288257060), (10, 201779942), (13, 155215340), (14, 144128530), (20, 100889971), (26, 77607670), (28, 72064265), (35, 57651412), (41, 49214620), (49, 41179580), (52, 38803835), (65, 31043068), (70, 28825706), (82, 24607310), (91, 22173620), (98, 20589790), (130, 15521534), (140, 14412853), (164, 12303655), (182, 11086810), (196, 10294895), (205, 9842924), (245, 8235916), (260, 7760767), (287, 7030660), (364, 5543405), (410, 4921462), (455, 4434724), (490, 4117958), (533, 3785740), (574, 3515330), (637, 3167660), (820, 2460731), (910, 2217362), (980, 2058979), (1066, 1892870), (1148, 1757665), (1274, 1583830), (1435, 1406132), (1820, 1108681), (2009, 1004380), (2132, 946435), (2548, 791915), (2665, 757148), (2870, 703066), (3185, 633532), (3731, 540820), (3863, 522340), (4018, 502190), (5330, 378574), (5740, 351533), (6370, 316766), (7462, 270410), (7726, 261170), (8036, 251095), (10045, 200876), (10660, 189287), (12740, 158383), (14924, 135205), (15452, 130585), (18655, 108164), (19315, 104468), (20090, 100438), (26117, 77260), (27041, 74620), (37310, 54082), (38630, 52234), (40180, 50219)]