128606470

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{941}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 236027520

約数和(自身を除く): 107421050

約数列:

[1, 2, 5, 10, 79, 158, 173, 346, 395, 790, 865, 941, 1730, 1882, 4705, 9410, 13667, 27334, 68335, 74339, 136670, 148678, 162793, 325586, 371695, 743390, 813965, 1627930, 12860647, 25721294, 64303235, 128606470]

約数ペア:

[(1, 128606470), (2, 64303235), (5, 25721294), (10, 12860647), (79, 1627930), (158, 813965), (173, 743390), (346, 371695), (395, 325586), (790, 162793), (865, 148678), (941, 136670), (1730, 74339), (1882, 68335), (4705, 27334), (9410, 13667)]