28766380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 69370560

約数和(自身を除く): 40604180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 61, 68, 73, 76, 85, 95, 122, 146, 170, 190, 244, 292, 305, 323, 340, 365, 380, 610, 646, 730, 1037, 1159, 1220, 1241, 1292, 1387, 1460, 1615, 2074, 2318, 2482, 2774, 3230, 4148, 4453, 4636, 4964, 5185, 5548, 5795, 6205, 6460, 6935, 8906, 10370, 11590, 12410, 13870, 17812, 19703, 20740, 22265, 23180, 23579, 24820, 27740, 39406, 44530, 47158, 75701, 78812, 84607, 89060, 94316, 98515, 117895, 151402, 169214, 197030, 235790, 302804, 338428, 378505, 394060, 423035, 471580, 757010, 846070, 1438319, 1514020, 1692140, 2876638, 5753276, 7191595, 14383190, 28766380]

約数ペア:

[(1, 28766380), (2, 14383190), (4, 7191595), (5, 5753276), (10, 2876638), (17, 1692140), (19, 1514020), (20, 1438319), (34, 846070), (38, 757010), (61, 471580), (68, 423035), (73, 394060), (76, 378505), (85, 338428), (95, 302804), (122, 235790), (146, 197030), (170, 169214), (190, 151402), (244, 117895), (292, 98515), (305, 94316), (323, 89060), (340, 84607), (365, 78812), (380, 75701), (610, 47158), (646, 44530), (730, 39406), (1037, 27740), (1159, 24820), (1220, 23579), (1241, 23180), (1292, 22265), (1387, 20740), (1460, 19703), (1615, 17812), (2074, 13870), (2318, 12410), (2482, 11590), (2774, 10370), (3230, 8906), (4148, 6935), (4453, 6460), (4636, 6205), (4964, 5795), (5185, 5548)]