297307990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{3049}}^1$

素因数の和:3269

約数の個数: 48

約数和(自身を含む): 625860000

約数和(自身を除く): 328552010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 199, 245, 398, 490, 995, 1393, 1990, 2786, 3049, 6098, 6965, 9751, 13930, 15245, 19502, 21343, 30490, 42686, 48755, 97510, 106715, 149401, 213430, 298802, 606751, 747005, 1213502, 1494010, 3033755, 4247257, 6067510, 8494514, 21236285, 29730799, 42472570, 59461598, 148653995, 297307990]

約数ペア:

[(1, 297307990), (2, 148653995), (5, 59461598), (7, 42472570), (10, 29730799), (14, 21236285), (35, 8494514), (49, 6067510), (70, 4247257), (98, 3033755), (199, 1494010), (245, 1213502), (398, 747005), (490, 606751), (995, 298802), (1393, 213430), (1990, 149401), (2786, 106715), (3049, 97510), (6098, 48755), (6965, 42686), (9751, 30490), (13930, 21343), (15245, 19502)]