157673180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 387310896

約数和(自身を除く): 229637716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 490, 502, 641, 980, 1004, 1255, 1282, 1757, 2510, 2564, 3205, 3514, 4487, 5020, 6410, 7028, 8785, 8974, 12299, 12820, 17570, 17948, 22435, 24598, 31409, 35140, 44870, 49196, 61495, 62818, 89740, 122990, 125636, 157045, 160891, 245980, 314090, 321782, 628180, 643564, 804455, 1126237, 1608910, 2252474, 3217820, 4504948, 5631185, 7883659, 11262370, 15767318, 22524740, 31534636, 39418295, 78836590, 157673180]

約数ペア:

[(1, 157673180), (2, 78836590), (4, 39418295), (5, 31534636), (7, 22524740), (10, 15767318), (14, 11262370), (20, 7883659), (28, 5631185), (35, 4504948), (49, 3217820), (70, 2252474), (98, 1608910), (140, 1126237), (196, 804455), (245, 643564), (251, 628180), (490, 321782), (502, 314090), (641, 245980), (980, 160891), (1004, 157045), (1255, 125636), (1282, 122990), (1757, 89740), (2510, 62818), (2564, 61495), (3205, 49196), (3514, 44870), (4487, 35140), (5020, 31409), (6410, 24598), (7028, 22435), (8785, 17948), (8974, 17570), (12299, 12820)]