12379850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 27819648

約数和(自身を除く): 15439798

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 155, 163, 175, 217, 245, 310, 326, 350, 434, 490, 775, 815, 1085, 1141, 1225, 1519, 1550, 1630, 2170, 2282, 2450, 3038, 4075, 5053, 5425, 5705, 7595, 7987, 8150, 10106, 10850, 11410, 15190, 15974, 25265, 28525, 35371, 37975, 39935, 50530, 57050, 70742, 75950, 79870, 126325, 176855, 199675, 247597, 252650, 353710, 399350, 495194, 884275, 1237985, 1768550, 2475970, 6189925, 12379850]

約数ペア:

[(1, 12379850), (2, 6189925), (5, 2475970), (7, 1768550), (10, 1237985), (14, 884275), (25, 495194), (31, 399350), (35, 353710), (49, 252650), (50, 247597), (62, 199675), (70, 176855), (98, 126325), (155, 79870), (163, 75950), (175, 70742), (217, 57050), (245, 50530), (310, 39935), (326, 37975), (350, 35371), (434, 28525), (490, 25265), (775, 15974), (815, 15190), (1085, 11410), (1141, 10850), (1225, 10106), (1519, 8150), (1550, 7987), (1630, 7595), (2170, 5705), (2282, 5425), (2450, 5053), (3038, 4075)]