28996812040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1873}}^1\times {\mathrm{55291}}^1$

素因数の和:57182

約数の個数: 64

約数和(自身を含む): 74604389760

約数和(自身を除く): 45607577720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1873, 3746, 7492, 9365, 13111, 14984, 18730, 26222, 37460, 52444, 55291, 65555, 74920, 104888, 110582, 131110, 221164, 262220, 276455, 387037, 442328, 524440, 552910, 774074, 1105820, 1548148, 1935185, 2211640, 3096296, 3870370, 7740740, 15481480, 103560043, 207120086, 414240172, 517800215, 724920301, 828480344, 1035600430, 1449840602, 2071200860, 2899681204, 3624601505, 4142401720, 5799362408, 7249203010, 14498406020, 28996812040]

約数ペア:

[(1, 28996812040), (2, 14498406020), (4, 7249203010), (5, 5799362408), (7, 4142401720), (8, 3624601505), (10, 2899681204), (14, 2071200860), (20, 1449840602), (28, 1035600430), (35, 828480344), (40, 724920301), (56, 517800215), (70, 414240172), (140, 207120086), (280, 103560043), (1873, 15481480), (3746, 7740740), (7492, 3870370), (9365, 3096296), (13111, 2211640), (14984, 1935185), (18730, 1548148), (26222, 1105820), (37460, 774074), (52444, 552910), (55291, 524440), (65555, 442328), (74920, 387037), (104888, 276455), (110582, 262220), (131110, 221164)]