664677950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{7213}}^1$

素因数の和:7341

約数の個数: 48

約数和(自身を含む): 1314967920

約数和(自身を除く): 650289970

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 97, 190, 194, 475, 485, 950, 970, 1843, 2425, 3686, 4850, 7213, 9215, 14426, 18430, 36065, 46075, 72130, 92150, 137047, 180325, 274094, 360650, 685235, 699661, 1370470, 1399322, 3426175, 3498305, 6852350, 6996610, 13293559, 17491525, 26587118, 34983050, 66467795, 132935590, 332338975, 664677950]

約数ペア:

[(1, 664677950), (2, 332338975), (5, 132935590), (10, 66467795), (19, 34983050), (25, 26587118), (38, 17491525), (50, 13293559), (95, 6996610), (97, 6852350), (190, 3498305), (194, 3426175), (475, 1399322), (485, 1370470), (950, 699661), (970, 685235), (1843, 360650), (2425, 274094), (3686, 180325), (4850, 137047), (7213, 92150), (9215, 72130), (14426, 46075), (18430, 36065)]