209976354

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 557383680

約数和(自身を除く): 347407326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 53, 54, 63, 94, 106, 126, 141, 159, 189, 223, 282, 318, 329, 371, 378, 423, 446, 477, 658, 669, 742, 846, 954, 987, 1113, 1269, 1338, 1431, 1561, 1974, 2007, 2226, 2491, 2538, 2862, 2961, 3122, 3339, 4014, 4683, 4982, 5922, 6021, 6678, 7473, 8883, 9366, 10017, 10481, 11819, 12042, 14049, 14946, 17437, 17766, 20034, 20962, 22419, 23638, 28098, 31443, 34874, 35457, 42147, 44838, 52311, 62886, 67257, 70914, 73367, 82733, 84294, 94329, 104622, 106371, 134514, 146734, 156933, 165466, 188658, 212742, 220101, 248199, 282987, 313866, 319113, 440202, 470799, 496398, 555493, 565974, 638226, 660303, 744597, 941598, 1110986, 1320606, 1489194, 1666479, 1980909, 2233791, 3332958, 3888451, 3961818, 4467582, 4999437, 7776902, 9998874, 11665353, 14998311, 23330706, 29996622, 34996059, 69992118, 104988177, 209976354]

約数ペア:

[(1, 209976354), (2, 104988177), (3, 69992118), (6, 34996059), (7, 29996622), (9, 23330706), (14, 14998311), (18, 11665353), (21, 9998874), (27, 7776902), (42, 4999437), (47, 4467582), (53, 3961818), (54, 3888451), (63, 3332958), (94, 2233791), (106, 1980909), (126, 1666479), (141, 1489194), (159, 1320606), (189, 1110986), (223, 941598), (282, 744597), (318, 660303), (329, 638226), (371, 565974), (378, 555493), (423, 496398), (446, 470799), (477, 440202), (658, 319113), (669, 313866), (742, 282987), (846, 248199), (954, 220101), (987, 212742), (1113, 188658), (1269, 165466), (1338, 156933), (1431, 146734), (1561, 134514), (1974, 106371), (2007, 104622), (2226, 94329), (2491, 84294), (2538, 82733), (2862, 73367), (2961, 70914), (3122, 67257), (3339, 62886), (4014, 52311), (4683, 44838), (4982, 42147), (5922, 35457), (6021, 34874), (6678, 31443), (7473, 28098), (8883, 23638), (9366, 22419), (10017, 20962), (10481, 20034), (11819, 17766), (12042, 17437), (14049, 14946)]