74339980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 197074080

約数和(自身を除く): 122734100

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 121, 130, 139, 143, 170, 187, 220, 221, 242, 260, 278, 286, 340, 374, 442, 484, 556, 572, 605, 695, 715, 748, 884, 935, 1105, 1210, 1390, 1430, 1529, 1573, 1807, 1870, 2057, 2210, 2363, 2420, 2431, 2780, 2860, 3058, 3146, 3614, 3740, 4114, 4420, 4726, 4862, 6116, 6292, 7228, 7645, 7865, 8228, 9035, 9452, 9724, 10285, 11815, 12155, 15290, 15730, 16819, 18070, 19877, 20570, 23630, 24310, 25993, 26741, 30580, 30719, 31460, 33638, 36140, 39754, 41140, 47260, 48620, 51986, 53482, 61438, 67276, 79508, 84095, 99385, 103972, 106964, 122876, 129965, 133705, 153595, 168190, 198770, 218647, 259930, 267410, 285923, 307190, 336380, 337909, 397540, 437294, 519860, 534820, 571846, 614380, 675818, 874588, 1093235, 1143692, 1351636, 1429615, 1689545, 2186470, 2859230, 3379090, 3716999, 4372940, 5718460, 6758180, 7433998, 14867996, 18584995, 37169990, 74339980]

約数ペア:

[(1, 74339980), (2, 37169990), (4, 18584995), (5, 14867996), (10, 7433998), (11, 6758180), (13, 5718460), (17, 4372940), (20, 3716999), (22, 3379090), (26, 2859230), (34, 2186470), (44, 1689545), (52, 1429615), (55, 1351636), (65, 1143692), (68, 1093235), (85, 874588), (110, 675818), (121, 614380), (130, 571846), (139, 534820), (143, 519860), (170, 437294), (187, 397540), (220, 337909), (221, 336380), (242, 307190), (260, 285923), (278, 267410), (286, 259930), (340, 218647), (374, 198770), (442, 168190), (484, 153595), (556, 133705), (572, 129965), (605, 122876), (695, 106964), (715, 103972), (748, 99385), (884, 84095), (935, 79508), (1105, 67276), (1210, 61438), (1390, 53482), (1430, 51986), (1529, 48620), (1573, 47260), (1807, 41140), (1870, 39754), (2057, 36140), (2210, 33638), (2363, 31460), (2420, 30719), (2431, 30580), (2780, 26741), (2860, 25993), (3058, 24310), (3146, 23630), (3614, 20570), (3740, 19877), (4114, 18070), (4420, 16819), (4726, 15730), (4862, 15290), (6116, 12155), (6292, 11815), (7228, 10285), (7645, 9724), (7865, 9452), (8228, 9035)]