493240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:100

約数の個数: 64

約数和(自身を含む): 1296000

約数和(自身を除く): 802760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 59, 76, 88, 95, 110, 118, 152, 190, 209, 220, 236, 295, 380, 418, 440, 472, 590, 649, 760, 836, 1045, 1121, 1180, 1298, 1672, 2090, 2242, 2360, 2596, 3245, 4180, 4484, 5192, 5605, 6490, 8360, 8968, 11210, 12331, 12980, 22420, 24662, 25960, 44840, 49324, 61655, 98648, 123310, 246620, 493240]

約数ペア:

[(1, 493240), (2, 246620), (4, 123310), (5, 98648), (8, 61655), (10, 49324), (11, 44840), (19, 25960), (20, 24662), (22, 22420), (38, 12980), (40, 12331), (44, 11210), (55, 8968), (59, 8360), (76, 6490), (88, 5605), (95, 5192), (110, 4484), (118, 4180), (152, 3245), (190, 2596), (209, 2360), (220, 2242), (236, 2090), (295, 1672), (380, 1298), (418, 1180), (440, 1121), (472, 1045), (590, 836), (649, 760)]