71031740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{761}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 161300160

約数和(自身を除く): 90268420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 359, 718, 761, 1436, 1522, 1795, 3044, 3590, 3805, 4667, 7180, 7610, 9334, 9893, 15220, 18668, 19786, 23335, 39572, 46670, 49465, 93340, 98930, 197860, 273199, 546398, 1092796, 1365995, 2731990, 3551587, 5463980, 7103174, 14206348, 17757935, 35515870, 71031740]

約数ペア:

[(1, 71031740), (2, 35515870), (4, 17757935), (5, 14206348), (10, 7103174), (13, 5463980), (20, 3551587), (26, 2731990), (52, 1365995), (65, 1092796), (130, 546398), (260, 273199), (359, 197860), (718, 98930), (761, 93340), (1436, 49465), (1522, 46670), (1795, 39572), (3044, 23335), (3590, 19786), (3805, 18668), (4667, 15220), (7180, 9893), (7610, 9334)]