28785190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 65111040

約数和(自身を除く): 36325850

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 70, 95, 115, 133, 161, 190, 230, 266, 322, 437, 665, 805, 874, 941, 1330, 1610, 1882, 2185, 3059, 4370, 4705, 6118, 6587, 9410, 13174, 15295, 17879, 21643, 30590, 32935, 35758, 43286, 65870, 89395, 108215, 125153, 151501, 178790, 216430, 250306, 303002, 411217, 625765, 757505, 822434, 1251530, 1515010, 2056085, 2878519, 4112170, 5757038, 14392595, 28785190]

約数ペア:

[(1, 28785190), (2, 14392595), (5, 5757038), (7, 4112170), (10, 2878519), (14, 2056085), (19, 1515010), (23, 1251530), (35, 822434), (38, 757505), (46, 625765), (70, 411217), (95, 303002), (115, 250306), (133, 216430), (161, 178790), (190, 151501), (230, 125153), (266, 108215), (322, 89395), (437, 65870), (665, 43286), (805, 35758), (874, 32935), (941, 30590), (1330, 21643), (1610, 17879), (1882, 15295), (2185, 13174), (3059, 9410), (4370, 6587), (4705, 6118)]