420732865

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 637958592

約数和(自身を除く): 217225727

約数列:

[1, 5, 7, 19, 35, 49, 67, 71, 95, 133, 245, 335, 355, 361, 469, 497, 665, 931, 1273, 1349, 1805, 2345, 2485, 2527, 3283, 3479, 4655, 4757, 6365, 6745, 8911, 9443, 12635, 16415, 17395, 17689, 23785, 24187, 25631, 33299, 44555, 47215, 62377, 66101, 88445, 90383, 120935, 128155, 166495, 169309, 179417, 233093, 311885, 330505, 451915, 632681, 846545, 897085, 1165465, 1185163, 1255919, 1717277, 3163405, 4428767, 5925815, 6279595, 8586385, 12020939, 22143835, 60104695, 84146573, 420732865]

約数ペア:

[(1, 420732865), (5, 84146573), (7, 60104695), (19, 22143835), (35, 12020939), (49, 8586385), (67, 6279595), (71, 5925815), (95, 4428767), (133, 3163405), (245, 1717277), (335, 1255919), (355, 1185163), (361, 1165465), (469, 897085), (497, 846545), (665, 632681), (931, 451915), (1273, 330505), (1349, 311885), (1805, 233093), (2345, 179417), (2485, 169309), (2527, 166495), (3283, 128155), (3479, 120935), (4655, 90383), (4757, 88445), (6365, 66101), (6745, 62377), (8911, 47215), (9443, 44555), (12635, 33299), (16415, 25631), (17395, 24187), (17689, 23785)]