72781430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4723}}^1$

素因数の和:4820

約数の個数: 32

約数和(自身を含む): 138772224

約数和(自身を除く): 65990794

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1541, 3082, 4723, 7705, 9446, 15410, 23615, 47230, 108629, 217258, 316441, 543145, 632882, 1086290, 1582205, 3164410, 7278143, 14556286, 36390715, 72781430]

約数ペア:

[(1, 72781430), (2, 36390715), (5, 14556286), (10, 7278143), (23, 3164410), (46, 1582205), (67, 1086290), (115, 632882), (134, 543145), (230, 316441), (335, 217258), (670, 108629), (1541, 47230), (3082, 23615), (4723, 15410), (7705, 9446)]