156618980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4457}}^1$

素因数の和:4724

約数の個数: 48

約数和(自身を含む): 377467776

約数和(自身を除く): 220848796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 4457, 5020, 7028, 8785, 8914, 17570, 17828, 22285, 31199, 35140, 44570, 62398, 89140, 124796, 155995, 311990, 623980, 1118707, 2237414, 4474828, 5593535, 7830949, 11187070, 15661898, 22374140, 31323796, 39154745, 78309490, 156618980]

約数ペア:

[(1, 156618980), (2, 78309490), (4, 39154745), (5, 31323796), (7, 22374140), (10, 15661898), (14, 11187070), (20, 7830949), (28, 5593535), (35, 4474828), (70, 2237414), (140, 1118707), (251, 623980), (502, 311990), (1004, 155995), (1255, 124796), (1757, 89140), (2510, 62398), (3514, 44570), (4457, 35140), (5020, 31199), (7028, 22285), (8785, 17828), (8914, 17570)]