645050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 1458240

約数和(自身を除く): 813190

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 97, 133, 175, 190, 194, 266, 350, 475, 485, 665, 679, 950, 970, 1330, 1358, 1843, 2425, 3325, 3395, 3686, 4850, 6650, 6790, 9215, 12901, 16975, 18430, 25802, 33950, 46075, 64505, 92150, 129010, 322525, 645050]

約数ペア:

[(1, 645050), (2, 322525), (5, 129010), (7, 92150), (10, 64505), (14, 46075), (19, 33950), (25, 25802), (35, 18430), (38, 16975), (50, 12901), (70, 9215), (95, 6790), (97, 6650), (133, 4850), (175, 3686), (190, 3395), (194, 3325), (266, 2425), (350, 1843), (475, 1358), (485, 1330), (665, 970), (679, 950)]