391569290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 872182080

約数和(自身を除く): 480612790

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 137, 190, 245, 266, 274, 307, 490, 614, 665, 685, 931, 959, 1330, 1370, 1535, 1862, 1918, 2149, 2603, 3070, 4298, 4655, 4795, 5206, 5833, 6713, 9310, 9590, 10745, 11666, 13015, 13426, 15043, 18221, 21490, 26030, 29165, 30086, 33565, 36442, 40831, 42059, 58330, 67130, 75215, 81662, 84118, 91105, 127547, 150430, 182210, 204155, 210295, 255094, 285817, 294413, 408310, 420590, 571634, 588826, 637735, 799121, 1275470, 1429085, 1472065, 1598242, 2060891, 2858170, 2944130, 3995605, 4121782, 5593847, 7991210, 10304455, 11187694, 20608910, 27969235, 39156929, 55938470, 78313858, 195784645, 391569290]

約数ペア:

[(1, 391569290), (2, 195784645), (5, 78313858), (7, 55938470), (10, 39156929), (14, 27969235), (19, 20608910), (35, 11187694), (38, 10304455), (49, 7991210), (70, 5593847), (95, 4121782), (98, 3995605), (133, 2944130), (137, 2858170), (190, 2060891), (245, 1598242), (266, 1472065), (274, 1429085), (307, 1275470), (490, 799121), (614, 637735), (665, 588826), (685, 571634), (931, 420590), (959, 408310), (1330, 294413), (1370, 285817), (1535, 255094), (1862, 210295), (1918, 204155), (2149, 182210), (2603, 150430), (3070, 127547), (4298, 91105), (4655, 84118), (4795, 81662), (5206, 75215), (5833, 67130), (6713, 58330), (9310, 42059), (9590, 40831), (10745, 36442), (11666, 33565), (13015, 30086), (13426, 29165), (15043, 26030), (18221, 21490)]