281996820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2833}}^1$

素因数の和:2934

約数の個数: 144

約数和(自身を含む): 990312960

約数和(自身を除く): 708316140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 2212, 2370, 2765, 2833, 2844, 3318, 3555, 4740, 4977, 5530, 5666, 6636, 7110, 8295, 8499, 9954, 11060, 11332, 14165, 14220, 16590, 16998, 19831, 19908, 24885, 25497, 28330, 33180, 33996, 39662, 42495, 49770, 50994, 56660, 59493, 79324, 84990, 99155, 99540, 101988, 118986, 127485, 169980, 178479, 198310, 223807, 237972, 254970, 297465, 356958, 396620, 447614, 509940, 594930, 671421, 713916, 892395, 895228, 1119035, 1189860, 1342842, 1566649, 1784790, 2014263, 2238070, 2685684, 3133298, 3357105, 3569580, 4028526, 4476140, 4699947, 6266596, 6714210, 7833245, 8057052, 9399894, 10071315, 13428420, 14099841, 15666490, 18799788, 20142630, 23499735, 28199682, 31332980, 40285260, 46999470, 56399364, 70499205, 93998940, 140998410, 281996820]

約数ペア:

[(1, 281996820), (2, 140998410), (3, 93998940), (4, 70499205), (5, 56399364), (6, 46999470), (7, 40285260), (9, 31332980), (10, 28199682), (12, 23499735), (14, 20142630), (15, 18799788), (18, 15666490), (20, 14099841), (21, 13428420), (28, 10071315), (30, 9399894), (35, 8057052), (36, 7833245), (42, 6714210), (45, 6266596), (60, 4699947), (63, 4476140), (70, 4028526), (79, 3569580), (84, 3357105), (90, 3133298), (105, 2685684), (126, 2238070), (140, 2014263), (158, 1784790), (180, 1566649), (210, 1342842), (237, 1189860), (252, 1119035), (315, 895228), (316, 892395), (395, 713916), (420, 671421), (474, 594930), (553, 509940), (630, 447614), (711, 396620), (790, 356958), (948, 297465), (1106, 254970), (1185, 237972), (1260, 223807), (1422, 198310), (1580, 178479), (1659, 169980), (2212, 127485), (2370, 118986), (2765, 101988), (2833, 99540), (2844, 99155), (3318, 84990), (3555, 79324), (4740, 59493), (4977, 56660), (5530, 50994), (5666, 49770), (6636, 42495), (7110, 39662), (8295, 33996), (8499, 33180), (9954, 28330), (11060, 25497), (11332, 24885), (14165, 19908), (14220, 19831), (16590, 16998)]