257198970690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{402559}}^1$

素因数の和:402832

約数の個数: 96

約数和(自身を含む): 693304934400

約数和(自身を除く): 436105963710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 229, 279, 310, 458, 465, 558, 687, 930, 1145, 1374, 1395, 2061, 2290, 2790, 3435, 4122, 6870, 7099, 10305, 14198, 20610, 21297, 35495, 42594, 63891, 70990, 106485, 127782, 212970, 319455, 402559, 638910, 805118, 1207677, 2012795, 2415354, 3623031, 4025590, 6038385, 7246062, 12076770, 12479329, 18115155, 24958658, 36230310, 37437987, 62396645, 74875974, 92186011, 112313961, 124793290, 184372022, 187189935, 224627922, 276558033, 374379870, 460930055, 553116066, 561569805, 829674099, 921860110, 1123139610, 1382790165, 1659348198, 2765580330, 2857766341, 4148370495, 5715532682, 8296740990, 8573299023, 14288831705, 17146598046, 25719897069, 28577663410, 42866495115, 51439794138, 85732990230, 128599485345, 257198970690]

約数ペア:

[(1, 257198970690), (2, 128599485345), (3, 85732990230), (5, 51439794138), (6, 42866495115), (9, 28577663410), (10, 25719897069), (15, 17146598046), (18, 14288831705), (30, 8573299023), (31, 8296740990), (45, 5715532682), (62, 4148370495), (90, 2857766341), (93, 2765580330), (155, 1659348198), (186, 1382790165), (229, 1123139610), (279, 921860110), (310, 829674099), (458, 561569805), (465, 553116066), (558, 460930055), (687, 374379870), (930, 276558033), (1145, 224627922), (1374, 187189935), (1395, 184372022), (2061, 124793290), (2290, 112313961), (2790, 92186011), (3435, 74875974), (4122, 62396645), (6870, 37437987), (7099, 36230310), (10305, 24958658), (14198, 18115155), (20610, 12479329), (21297, 12076770), (35495, 7246062), (42594, 6038385), (63891, 4025590), (70990, 3623031), (106485, 2415354), (127782, 2012795), (212970, 1207677), (319455, 805118), (402559, 638910)]