71368210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^2$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 140160456

約数和(自身を除く): 68792246

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 89, 106, 170, 178, 265, 445, 530, 890, 901, 1513, 1802, 3026, 4505, 4717, 7565, 7921, 9010, 9434, 15130, 15842, 23585, 39605, 47170, 79210, 80189, 134657, 160378, 269314, 400945, 419813, 673285, 801890, 839626, 1346570, 2099065, 4198130, 7136821, 14273642, 35684105, 71368210]

約数ペア:

[(1, 71368210), (2, 35684105), (5, 14273642), (10, 7136821), (17, 4198130), (34, 2099065), (53, 1346570), (85, 839626), (89, 801890), (106, 673285), (170, 419813), (178, 400945), (265, 269314), (445, 160378), (530, 134657), (890, 80189), (901, 79210), (1513, 47170), (1802, 39605), (3026, 23585), (4505, 15842), (4717, 15130), (7565, 9434), (7921, 9010)]