290606520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:877

約数の個数: 128

約数和(自身を含む): 923788800

約数和(自身を除く): 633182280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 197, 228, 285, 380, 394, 456, 570, 591, 647, 760, 788, 985, 1140, 1182, 1294, 1576, 1941, 1970, 2280, 2364, 2588, 2955, 3235, 3743, 3882, 3940, 4728, 5176, 5910, 6470, 7486, 7764, 7880, 9705, 11229, 11820, 12293, 12940, 14972, 15528, 18715, 19410, 22458, 23640, 24586, 25880, 29944, 36879, 37430, 38820, 44916, 49172, 56145, 61465, 73758, 74860, 77640, 89832, 98344, 112290, 122930, 127459, 147516, 149720, 184395, 224580, 245860, 254918, 295032, 368790, 382377, 449160, 491720, 509836, 637295, 737580, 764754, 1019672, 1274590, 1475160, 1529508, 1911885, 2421721, 2549180, 3059016, 3823770, 4843442, 5098360, 7265163, 7647540, 9686884, 12108605, 14530326, 15295080, 19373768, 24217210, 29060652, 36325815, 48434420, 58121304, 72651630, 96868840, 145303260, 290606520]

約数ペア:

[(1, 290606520), (2, 145303260), (3, 96868840), (4, 72651630), (5, 58121304), (6, 48434420), (8, 36325815), (10, 29060652), (12, 24217210), (15, 19373768), (19, 15295080), (20, 14530326), (24, 12108605), (30, 9686884), (38, 7647540), (40, 7265163), (57, 5098360), (60, 4843442), (76, 3823770), (95, 3059016), (114, 2549180), (120, 2421721), (152, 1911885), (190, 1529508), (197, 1475160), (228, 1274590), (285, 1019672), (380, 764754), (394, 737580), (456, 637295), (570, 509836), (591, 491720), (647, 449160), (760, 382377), (788, 368790), (985, 295032), (1140, 254918), (1182, 245860), (1294, 224580), (1576, 184395), (1941, 149720), (1970, 147516), (2280, 127459), (2364, 122930), (2588, 112290), (2955, 98344), (3235, 89832), (3743, 77640), (3882, 74860), (3940, 73758), (4728, 61465), (5176, 56145), (5910, 49172), (6470, 44916), (7486, 38820), (7764, 37430), (7880, 36879), (9705, 29944), (11229, 25880), (11820, 24586), (12293, 23640), (12940, 22458), (14972, 19410), (15528, 18715)]