85264700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 192487680

約数和(自身を除く): 107222980

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 79, 86, 100, 158, 172, 215, 251, 316, 395, 430, 502, 790, 860, 1004, 1075, 1255, 1580, 1975, 2150, 2510, 3397, 3950, 4300, 5020, 6275, 6794, 7900, 10793, 12550, 13588, 16985, 19829, 21586, 25100, 33970, 39658, 43172, 53965, 67940, 79316, 84925, 99145, 107930, 169850, 198290, 215860, 269825, 339700, 396580, 495725, 539650, 852647, 991450, 1079300, 1705294, 1982900, 3410588, 4263235, 8526470, 17052940, 21316175, 42632350, 85264700]

約数ペア:

[(1, 85264700), (2, 42632350), (4, 21316175), (5, 17052940), (10, 8526470), (20, 4263235), (25, 3410588), (43, 1982900), (50, 1705294), (79, 1079300), (86, 991450), (100, 852647), (158, 539650), (172, 495725), (215, 396580), (251, 339700), (316, 269825), (395, 215860), (430, 198290), (502, 169850), (790, 107930), (860, 99145), (1004, 84925), (1075, 79316), (1255, 67940), (1580, 53965), (1975, 43172), (2150, 39658), (2510, 33970), (3397, 25100), (3950, 21586), (4300, 19829), (5020, 16985), (6275, 13588), (6794, 12550), (7900, 10793)]