55131860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 136256904

約数和(自身を除く): 81125044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 557, 707, 980, 1010, 1114, 1414, 2020, 2228, 2785, 2828, 3535, 3899, 4949, 5570, 7070, 7798, 9898, 11140, 14140, 15596, 19495, 19796, 24745, 27293, 38990, 49490, 54586, 56257, 77980, 98980, 109172, 112514, 136465, 225028, 272930, 281285, 393799, 545860, 562570, 787598, 1125140, 1575196, 1968995, 2756593, 3937990, 5513186, 7875980, 11026372, 13782965, 27565930, 55131860]

約数ペア:

[(1, 55131860), (2, 27565930), (4, 13782965), (5, 11026372), (7, 7875980), (10, 5513186), (14, 3937990), (20, 2756593), (28, 1968995), (35, 1575196), (49, 1125140), (70, 787598), (98, 562570), (101, 545860), (140, 393799), (196, 281285), (202, 272930), (245, 225028), (404, 136465), (490, 112514), (505, 109172), (557, 98980), (707, 77980), (980, 56257), (1010, 54586), (1114, 49490), (1414, 38990), (2020, 27293), (2228, 24745), (2785, 19796), (2828, 19495), (3535, 15596), (3899, 14140), (4949, 11140), (5570, 9898), (7070, 7798)]