4042990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 8733312

約数和(自身を除く): 4690322

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 223, 245, 259, 370, 446, 490, 518, 1115, 1295, 1561, 1813, 2230, 2590, 3122, 3626, 7805, 8251, 9065, 10927, 15610, 16502, 18130, 21854, 41255, 54635, 57757, 82510, 109270, 115514, 288785, 404299, 577570, 808598, 2021495, 4042990]

約数ペア:

[(1, 4042990), (2, 2021495), (5, 808598), (7, 577570), (10, 404299), (14, 288785), (35, 115514), (37, 109270), (49, 82510), (70, 57757), (74, 54635), (98, 41255), (185, 21854), (223, 18130), (245, 16502), (259, 15610), (370, 10927), (446, 9065), (490, 8251), (518, 7805), (1115, 3626), (1295, 3122), (1561, 2590), (1813, 2230)]