4707990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 14929920

約数和(自身を除く): 10221930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 47, 53, 54, 63, 70, 90, 94, 105, 106, 126, 135, 141, 159, 189, 210, 235, 265, 270, 282, 315, 318, 329, 371, 378, 423, 470, 477, 530, 630, 658, 705, 742, 795, 846, 945, 954, 987, 1113, 1269, 1410, 1431, 1590, 1645, 1855, 1890, 1974, 2115, 2226, 2385, 2491, 2538, 2862, 2961, 3290, 3339, 3710, 4230, 4770, 4935, 4982, 5565, 5922, 6345, 6678, 7155, 7473, 8883, 9870, 10017, 11130, 12455, 12690, 14310, 14805, 14946, 16695, 17437, 17766, 20034, 22419, 24910, 29610, 33390, 34874, 37365, 44415, 44838, 50085, 52311, 67257, 74730, 87185, 88830, 100170, 104622, 112095, 134514, 156933, 174370, 224190, 261555, 313866, 336285, 470799, 523110, 672570, 784665, 941598, 1569330, 2353995, 4707990]

約数ペア:

[(1, 4707990), (2, 2353995), (3, 1569330), (5, 941598), (6, 784665), (7, 672570), (9, 523110), (10, 470799), (14, 336285), (15, 313866), (18, 261555), (21, 224190), (27, 174370), (30, 156933), (35, 134514), (42, 112095), (45, 104622), (47, 100170), (53, 88830), (54, 87185), (63, 74730), (70, 67257), (90, 52311), (94, 50085), (105, 44838), (106, 44415), (126, 37365), (135, 34874), (141, 33390), (159, 29610), (189, 24910), (210, 22419), (235, 20034), (265, 17766), (270, 17437), (282, 16695), (315, 14946), (318, 14805), (329, 14310), (371, 12690), (378, 12455), (423, 11130), (470, 10017), (477, 9870), (530, 8883), (630, 7473), (658, 7155), (705, 6678), (742, 6345), (795, 5922), (846, 5565), (945, 4982), (954, 4935), (987, 4770), (1113, 4230), (1269, 3710), (1410, 3339), (1431, 3290), (1590, 2961), (1645, 2862), (1855, 2538), (1890, 2491), (1974, 2385), (2115, 2226)]