2977240

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 80

約数和(自身を含む): 8066880

約数和(自身を除く): 5089640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 343, 392, 434, 490, 620, 686, 868, 980, 1085, 1240, 1372, 1519, 1715, 1736, 1960, 2170, 2401, 2744, 3038, 3430, 4340, 4802, 6076, 6860, 7595, 8680, 9604, 10633, 12005, 12152, 13720, 15190, 19208, 21266, 24010, 30380, 42532, 48020, 53165, 60760, 74431, 85064, 96040, 106330, 148862, 212660, 297724, 372155, 425320, 595448, 744310, 1488620, 2977240]

約数ペア:

[(1, 2977240), (2, 1488620), (4, 744310), (5, 595448), (7, 425320), (8, 372155), (10, 297724), (14, 212660), (20, 148862), (28, 106330), (31, 96040), (35, 85064), (40, 74431), (49, 60760), (56, 53165), (62, 48020), (70, 42532), (98, 30380), (124, 24010), (140, 21266), (155, 19208), (196, 15190), (217, 13720), (245, 12152), (248, 12005), (280, 10633), (310, 9604), (343, 8680), (392, 7595), (434, 6860), (490, 6076), (620, 4802), (686, 4340), (868, 3430), (980, 3038), (1085, 2744), (1240, 2401), (1372, 2170), (1519, 1960), (1715, 1736)]