30388790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 30575050

約数列:

[1, 2, 5, 10, 19, 38, 41, 47, 82, 83, 94, 95, 166, 190, 205, 235, 410, 415, 470, 779, 830, 893, 1558, 1577, 1786, 1927, 3154, 3403, 3854, 3895, 3901, 4465, 6806, 7790, 7802, 7885, 8930, 9635, 15770, 17015, 19270, 19505, 34030, 36613, 39010, 64657, 73226, 74119, 129314, 148238, 159941, 183065, 319882, 323285, 366130, 370595, 646570, 741190, 799705, 1599410, 3038879, 6077758, 15194395, 30388790]

約数ペア:

[(1, 30388790), (2, 15194395), (5, 6077758), (10, 3038879), (19, 1599410), (38, 799705), (41, 741190), (47, 646570), (82, 370595), (83, 366130), (94, 323285), (95, 319882), (166, 183065), (190, 159941), (205, 148238), (235, 129314), (410, 74119), (415, 73226), (470, 64657), (779, 39010), (830, 36613), (893, 34030), (1558, 19505), (1577, 19270), (1786, 17015), (1927, 15770), (3154, 9635), (3403, 8930), (3854, 7885), (3895, 7802), (3901, 7790), (4465, 6806)]