71309420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39181}}^1$

素因数の和:39210

約数の個数: 48

約数和(自身を含む): 184312128

約数和(自身を除く): 113002708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39181, 78362, 156724, 195905, 274267, 391810, 509353, 548534, 783620, 1018706, 1097068, 1371335, 2037412, 2546765, 2742670, 3565471, 5093530, 5485340, 7130942, 10187060, 14261884, 17827355, 35654710, 71309420]

約数ペア:

[(1, 71309420), (2, 35654710), (4, 17827355), (5, 14261884), (7, 10187060), (10, 7130942), (13, 5485340), (14, 5093530), (20, 3565471), (26, 2742670), (28, 2546765), (35, 2037412), (52, 1371335), (65, 1097068), (70, 1018706), (91, 783620), (130, 548534), (140, 509353), (182, 391810), (260, 274267), (364, 195905), (455, 156724), (910, 78362), (1820, 39181)]