51639490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 111974400

約数和(自身を除く): 60334910

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 53, 62, 70, 106, 155, 217, 265, 310, 371, 434, 449, 530, 742, 898, 1085, 1643, 1855, 2170, 2245, 3143, 3286, 3710, 4490, 6286, 8215, 11501, 13919, 15715, 16430, 23002, 23797, 27838, 31430, 47594, 57505, 69595, 97433, 115010, 118985, 139190, 166579, 194866, 237970, 333158, 487165, 737707, 832895, 974330, 1475414, 1665790, 3688535, 5163949, 7377070, 10327898, 25819745, 51639490]

約数ペア:

[(1, 51639490), (2, 25819745), (5, 10327898), (7, 7377070), (10, 5163949), (14, 3688535), (31, 1665790), (35, 1475414), (53, 974330), (62, 832895), (70, 737707), (106, 487165), (155, 333158), (217, 237970), (265, 194866), (310, 166579), (371, 139190), (434, 118985), (449, 115010), (530, 97433), (742, 69595), (898, 57505), (1085, 47594), (1643, 31430), (1855, 27838), (2170, 23797), (2245, 23002), (3143, 16430), (3286, 15715), (3710, 13919), (4490, 11501), (6286, 8215)]