128609390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 303464448

約数和(自身を除く): 174855058

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 47, 62, 65, 70, 91, 94, 97, 130, 155, 182, 194, 217, 235, 310, 329, 403, 434, 455, 470, 485, 611, 658, 679, 806, 910, 970, 1085, 1222, 1261, 1358, 1457, 1645, 2015, 2170, 2522, 2821, 2914, 3007, 3055, 3290, 3395, 4030, 4277, 4559, 5642, 6014, 6110, 6305, 6790, 7285, 8554, 8827, 9118, 10199, 12610, 14105, 14570, 15035, 17654, 18941, 20398, 21049, 21385, 22795, 28210, 30070, 31913, 37882, 39091, 42098, 42770, 44135, 45590, 50995, 59267, 63826, 78182, 88270, 94705, 101990, 105245, 118534, 132587, 141329, 159565, 189410, 195455, 210490, 265174, 273637, 282658, 296335, 319130, 390910, 414869, 547274, 592670, 662935, 706645, 829738, 989303, 1325870, 1368185, 1413290, 1837277, 1978606, 2074345, 2736370, 3674554, 4148690, 4946515, 9186385, 9893030, 12860939, 18372770, 25721878, 64304695, 128609390]

約数ペア:

[(1, 128609390), (2, 64304695), (5, 25721878), (7, 18372770), (10, 12860939), (13, 9893030), (14, 9186385), (26, 4946515), (31, 4148690), (35, 3674554), (47, 2736370), (62, 2074345), (65, 1978606), (70, 1837277), (91, 1413290), (94, 1368185), (97, 1325870), (130, 989303), (155, 829738), (182, 706645), (194, 662935), (217, 592670), (235, 547274), (310, 414869), (329, 390910), (403, 319130), (434, 296335), (455, 282658), (470, 273637), (485, 265174), (611, 210490), (658, 195455), (679, 189410), (806, 159565), (910, 141329), (970, 132587), (1085, 118534), (1222, 105245), (1261, 101990), (1358, 94705), (1457, 88270), (1645, 78182), (2015, 63826), (2170, 59267), (2522, 50995), (2821, 45590), (2914, 44135), (3007, 42770), (3055, 42098), (3290, 39091), (3395, 37882), (4030, 31913), (4277, 30070), (4559, 28210), (5642, 22795), (6014, 21385), (6110, 21049), (6305, 20398), (6790, 18941), (7285, 17654), (8554, 15035), (8827, 14570), (9118, 14105), (10199, 12610)]