320339852

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 674150400

約数和(自身を除く): 353810548

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 191, 196, 199, 301, 382, 398, 602, 764, 796, 1204, 1337, 1393, 2107, 2674, 2786, 4214, 5348, 5572, 8213, 8428, 8557, 9359, 9751, 16426, 17114, 18718, 19502, 32852, 34228, 37436, 38009, 39004, 57491, 59899, 76018, 114982, 119798, 152036, 229964, 239596, 266063, 402437, 419293, 532126, 804874, 838586, 1064252, 1609748, 1634387, 1677172, 1862441, 3268774, 3724882, 6537548, 7449764, 11440709, 22881418, 45762836, 80084963, 160169926, 320339852]

約数ペア:

[(1, 320339852), (2, 160169926), (4, 80084963), (7, 45762836), (14, 22881418), (28, 11440709), (43, 7449764), (49, 6537548), (86, 3724882), (98, 3268774), (172, 1862441), (191, 1677172), (196, 1634387), (199, 1609748), (301, 1064252), (382, 838586), (398, 804874), (602, 532126), (764, 419293), (796, 402437), (1204, 266063), (1337, 239596), (1393, 229964), (2107, 152036), (2674, 119798), (2786, 114982), (4214, 76018), (5348, 59899), (5572, 57491), (8213, 39004), (8428, 38009), (8557, 37436), (9359, 34228), (9751, 32852), (16426, 19502), (17114, 18718)]