220235988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 628798464

約数和(自身を除く): 408562476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 53, 74, 84, 98, 106, 111, 147, 148, 159, 191, 196, 212, 222, 259, 294, 318, 371, 382, 444, 518, 573, 588, 636, 742, 764, 777, 1036, 1113, 1146, 1337, 1484, 1554, 1813, 1961, 2226, 2292, 2597, 2674, 3108, 3626, 3922, 4011, 4452, 5194, 5348, 5439, 5883, 7067, 7252, 7791, 7844, 8022, 9359, 10123, 10388, 10878, 11766, 13727, 14134, 15582, 16044, 18718, 20246, 21201, 21756, 23532, 27454, 28077, 28268, 30369, 31164, 37436, 40492, 41181, 42402, 49469, 54908, 56154, 60738, 70861, 82362, 84804, 96089, 98938, 112308, 121476, 141722, 148407, 164724, 192178, 197876, 212583, 283444, 288267, 296814, 346283, 374551, 384356, 425166, 496027, 576534, 593628, 692566, 749102, 850332, 992054, 1038849, 1123653, 1153068, 1385132, 1488081, 1498204, 1984108, 2077698, 2247306, 2621857, 2976162, 4155396, 4494612, 5243714, 5952324, 7865571, 10487428, 15731142, 18352999, 31462284, 36705998, 55058997, 73411996, 110117994, 220235988]

約数ペア:

[(1, 220235988), (2, 110117994), (3, 73411996), (4, 55058997), (6, 36705998), (7, 31462284), (12, 18352999), (14, 15731142), (21, 10487428), (28, 7865571), (37, 5952324), (42, 5243714), (49, 4494612), (53, 4155396), (74, 2976162), (84, 2621857), (98, 2247306), (106, 2077698), (111, 1984108), (147, 1498204), (148, 1488081), (159, 1385132), (191, 1153068), (196, 1123653), (212, 1038849), (222, 992054), (259, 850332), (294, 749102), (318, 692566), (371, 593628), (382, 576534), (444, 496027), (518, 425166), (573, 384356), (588, 374551), (636, 346283), (742, 296814), (764, 288267), (777, 283444), (1036, 212583), (1113, 197876), (1146, 192178), (1337, 164724), (1484, 148407), (1554, 141722), (1813, 121476), (1961, 112308), (2226, 98938), (2292, 96089), (2597, 84804), (2674, 82362), (3108, 70861), (3626, 60738), (3922, 56154), (4011, 54908), (4452, 49469), (5194, 42402), (5348, 41181), (5439, 40492), (5883, 37436), (7067, 31164), (7252, 30369), (7791, 28268), (7844, 28077), (8022, 27454), (9359, 23532), (10123, 21756), (10388, 21201), (10878, 20246), (11766, 18718), (13727, 16044), (14134, 15582)]