299957240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22044

約数の個数: 64

約数和(自身を含む): 760043520

約数和(自身を除く): 460086280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 21991, 43982, 87964, 109955, 175928, 219910, 241901, 439820, 483802, 681721, 879640, 967604, 1209505, 1363442, 1935208, 2419010, 2726884, 3408605, 4838020, 5453768, 6817210, 7498931, 9676040, 13634420, 14997862, 27268840, 29995724, 37494655, 59991448, 74989310, 149978620, 299957240]

約数ペア:

[(1, 299957240), (2, 149978620), (4, 74989310), (5, 59991448), (8, 37494655), (10, 29995724), (11, 27268840), (20, 14997862), (22, 13634420), (31, 9676040), (40, 7498931), (44, 6817210), (55, 5453768), (62, 4838020), (88, 3408605), (110, 2726884), (124, 2419010), (155, 1935208), (220, 1363442), (248, 1209505), (310, 967604), (341, 879640), (440, 681721), (620, 483802), (682, 439820), (1240, 241901), (1364, 219910), (1705, 175928), (2728, 109955), (3410, 87964), (6820, 43982), (13640, 21991)]