386762740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{212507}}^1$

素因数の和:212536

約数の個数: 48

約数和(自身を含む): 999637632

約数和(自身を除く): 612874892

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, 212507, 425014, 850028, 1062535, 1487549, 2125070, 2762591, 2975098, 4250140, 5525182, 5950196, 7437745, 11050364, 13812955, 14875490, 19338137, 27625910, 29750980, 38676274, 55251820, 77352548, 96690685, 193381370, 386762740]

約数ペア:

[(1, 386762740), (2, 193381370), (4, 96690685), (5, 77352548), (7, 55251820), (10, 38676274), (13, 29750980), (14, 27625910), (20, 19338137), (26, 14875490), (28, 13812955), (35, 11050364), (52, 7437745), (65, 5950196), (70, 5525182), (91, 4250140), (130, 2975098), (140, 2762591), (182, 2125070), (260, 1487549), (364, 1062535), (455, 850028), (910, 425014), (1820, 212507)]