28009370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 56487456

約数和(自身を除く): 28478086

約数列:

[1, 2, 5, 10, 17, 34, 37, 61, 73, 74, 85, 122, 146, 170, 185, 305, 365, 370, 610, 629, 730, 1037, 1241, 1258, 2074, 2257, 2482, 2701, 3145, 4453, 4514, 5185, 5402, 6205, 6290, 8906, 10370, 11285, 12410, 13505, 22265, 22570, 27010, 38369, 44530, 45917, 75701, 76738, 91834, 151402, 164761, 191845, 229585, 329522, 378505, 383690, 459170, 757010, 823805, 1647610, 2800937, 5601874, 14004685, 28009370]

約数ペア:

[(1, 28009370), (2, 14004685), (5, 5601874), (10, 2800937), (17, 1647610), (34, 823805), (37, 757010), (61, 459170), (73, 383690), (74, 378505), (85, 329522), (122, 229585), (146, 191845), (170, 164761), (185, 151402), (305, 91834), (365, 76738), (370, 75701), (610, 45917), (629, 44530), (730, 38369), (1037, 27010), (1241, 22570), (1258, 22265), (2074, 13505), (2257, 12410), (2482, 11285), (2701, 10370), (3145, 8906), (4453, 6290), (4514, 6205), (5185, 5402)]