388454490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 1106307072

約数和(自身を除く): 717852582

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 37, 45, 53, 62, 71, 74, 90, 93, 106, 111, 142, 155, 159, 185, 186, 213, 222, 265, 279, 310, 318, 333, 355, 370, 426, 465, 477, 530, 555, 558, 639, 666, 710, 795, 930, 954, 1065, 1110, 1147, 1278, 1395, 1590, 1643, 1665, 1961, 2130, 2201, 2294, 2385, 2627, 2790, 3195, 3286, 3330, 3441, 3763, 3922, 4402, 4770, 4929, 5254, 5735, 5883, 6390, 6603, 6882, 7526, 7881, 8215, 9805, 9858, 10323, 11005, 11289, 11470, 11766, 13135, 13206, 14787, 15762, 16430, 17205, 17649, 18815, 19610, 19809, 20646, 22010, 22578, 23643, 24645, 26270, 29415, 29574, 33015, 33867, 34410, 35298, 37630, 39405, 39618, 47286, 49290, 51615, 56445, 58830, 60791, 66030, 67734, 73935, 78810, 81437, 88245, 99045, 103230, 112890, 116653, 118215, 121582, 139231, 147870, 162874, 169335, 176490, 182373, 198090, 233306, 236430, 244311, 278462, 303955, 338670, 349959, 364746, 407185, 417693, 488622, 547119, 583265, 607910, 696155, 699918, 732933, 814370, 835386, 911865, 1049877, 1094238, 1166530, 1221555, 1253079, 1392310, 1465866, 1749795, 1823730, 2088465, 2099754, 2443110, 2506158, 2735595, 3499590, 3664665, 4176930, 4316161, 5249385, 5471190, 6265395, 7329330, 8632322, 10498770, 12530790, 12948483, 21580805, 25896966, 38845449, 43161610, 64742415, 77690898, 129484830, 194227245, 388454490]

約数ペア:

[(1, 388454490), (2, 194227245), (3, 129484830), (5, 77690898), (6, 64742415), (9, 43161610), (10, 38845449), (15, 25896966), (18, 21580805), (30, 12948483), (31, 12530790), (37, 10498770), (45, 8632322), (53, 7329330), (62, 6265395), (71, 5471190), (74, 5249385), (90, 4316161), (93, 4176930), (106, 3664665), (111, 3499590), (142, 2735595), (155, 2506158), (159, 2443110), (185, 2099754), (186, 2088465), (213, 1823730), (222, 1749795), (265, 1465866), (279, 1392310), (310, 1253079), (318, 1221555), (333, 1166530), (355, 1094238), (370, 1049877), (426, 911865), (465, 835386), (477, 814370), (530, 732933), (555, 699918), (558, 696155), (639, 607910), (666, 583265), (710, 547119), (795, 488622), (930, 417693), (954, 407185), (1065, 364746), (1110, 349959), (1147, 338670), (1278, 303955), (1395, 278462), (1590, 244311), (1643, 236430), (1665, 233306), (1961, 198090), (2130, 182373), (2201, 176490), (2294, 169335), (2385, 162874), (2627, 147870), (2790, 139231), (3195, 121582), (3286, 118215), (3330, 116653), (3441, 112890), (3763, 103230), (3922, 99045), (4402, 88245), (4770, 81437), (4929, 78810), (5254, 73935), (5735, 67734), (5883, 66030), (6390, 60791), (6603, 58830), (6882, 56445), (7526, 51615), (7881, 49290), (8215, 47286), (9805, 39618), (9858, 39405), (10323, 37630), (11005, 35298), (11289, 34410), (11470, 33867), (11766, 33015), (13135, 29574), (13206, 29415), (14787, 26270), (15762, 24645), (16430, 23643), (17205, 22578), (17649, 22010), (18815, 20646), (19610, 19809)]