156978218425

素因数分解:

$5^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1\times {\mathrm{2711}}^1$

素因数の和:3946

約数の個数: 48

約数和(自身を含む): 223362489600

約数和(自身を除く): 66384271175

約数列:

[1, 5, 7, 25, 35, 175, 409, 809, 2045, 2711, 2863, 4045, 5663, 10225, 13555, 14315, 18977, 20225, 28315, 67775, 71575, 94885, 141575, 330881, 474425, 1108799, 1654405, 2193199, 2316167, 5543995, 7761593, 8272025, 10965995, 11580835, 15352393, 27719975, 38807965, 54829975, 57904175, 76761965, 194039825, 383809825, 897018391, 4485091955, 6279128737, 22425459775, 31395643685, 156978218425]

約数ペア:

[(1, 156978218425), (5, 31395643685), (7, 22425459775), (25, 6279128737), (35, 4485091955), (175, 897018391), (409, 383809825), (809, 194039825), (2045, 76761965), (2711, 57904175), (2863, 54829975), (4045, 38807965), (5663, 27719975), (10225, 15352393), (13555, 11580835), (14315, 10965995), (18977, 8272025), (20225, 7761593), (28315, 5543995), (67775, 2316167), (71575, 2193199), (94885, 1654405), (141575, 1108799), (330881, 474425)]