8708398580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{727}}^1$

素因数の和:1486

約数の個数: 144

約数和(自身を含む): 22587102720

約数和(自身を除く): 13878704140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 719, 727, 833, 980, 1190, 1438, 1454, 1666, 2380, 2876, 2908, 3332, 3595, 3635, 4165, 5033, 5089, 7190, 7270, 8330, 10066, 10178, 12223, 12359, 14380, 14540, 16660, 20132, 20356, 24446, 24718, 25165, 25445, 35231, 35623, 48892, 49436, 50330, 50890, 61115, 61795, 70462, 71246, 85561, 86513, 100660, 101780, 122230, 123590, 140924, 142492, 171122, 173026, 176155, 178115, 244460, 247180, 342244, 346052, 352310, 356230, 427805, 432565, 522713, 598927, 605591, 704620, 712460, 855610, 865130, 1045426, 1197854, 1211182, 1711220, 1730260, 2090852, 2395708, 2422364, 2613565, 2994635, 3027955, 3658991, 5227130, 5989270, 6055910, 7317982, 8886121, 10454260, 11978540, 12111820, 14635964, 17772242, 18294955, 25612937, 35544484, 36589910, 44430605, 51225874, 62202847, 73179820, 88861210, 102451748, 124405694, 128064685, 177722420, 248811388, 256129370, 311014235, 435419929, 512258740, 622028470, 870839858, 1244056940, 1741679716, 2177099645, 4354199290, 8708398580]

約数ペア:

[(1, 8708398580), (2, 4354199290), (4, 2177099645), (5, 1741679716), (7, 1244056940), (10, 870839858), (14, 622028470), (17, 512258740), (20, 435419929), (28, 311014235), (34, 256129370), (35, 248811388), (49, 177722420), (68, 128064685), (70, 124405694), (85, 102451748), (98, 88861210), (119, 73179820), (140, 62202847), (170, 51225874), (196, 44430605), (238, 36589910), (245, 35544484), (340, 25612937), (476, 18294955), (490, 17772242), (595, 14635964), (719, 12111820), (727, 11978540), (833, 10454260), (980, 8886121), (1190, 7317982), (1438, 6055910), (1454, 5989270), (1666, 5227130), (2380, 3658991), (2876, 3027955), (2908, 2994635), (3332, 2613565), (3595, 2422364), (3635, 2395708), (4165, 2090852), (5033, 1730260), (5089, 1711220), (7190, 1211182), (7270, 1197854), (8330, 1045426), (10066, 865130), (10178, 855610), (12223, 712460), (12359, 704620), (14380, 605591), (14540, 598927), (16660, 522713), (20132, 432565), (20356, 427805), (24446, 356230), (24718, 352310), (25165, 346052), (25445, 342244), (35231, 247180), (35623, 244460), (48892, 178115), (49436, 176155), (50330, 173026), (50890, 171122), (61115, 142492), (61795, 140924), (70462, 123590), (71246, 122230), (85561, 101780), (86513, 100660)]