12778885100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9433}}^1$

素因数の和:9520

約数の個数: 144

約数和(自身を含む): 31444654080

約数和(自身を除く): 18665768980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 31, 38, 46, 50, 62, 76, 92, 95, 100, 115, 124, 155, 190, 230, 310, 380, 437, 460, 475, 575, 589, 620, 713, 775, 874, 950, 1150, 1178, 1426, 1550, 1748, 1900, 2185, 2300, 2356, 2852, 2945, 3100, 3565, 4370, 5890, 7130, 8740, 9433, 10925, 11780, 13547, 14260, 14725, 17825, 18866, 21850, 27094, 29450, 35650, 37732, 43700, 47165, 54188, 58900, 67735, 71300, 94330, 135470, 179227, 188660, 216959, 235825, 270940, 292423, 338675, 358454, 433918, 471650, 584846, 677350, 716908, 867836, 896135, 943300, 1084795, 1169692, 1354700, 1462115, 1792270, 2169590, 2924230, 3584540, 4122221, 4339180, 4480675, 5423975, 5556037, 5848460, 6725729, 7310575, 8244442, 8961350, 10847950, 11112074, 13451458, 14621150, 16488884, 17922700, 20611105, 21695900, 22224148, 26902916, 27780185, 29242300, 33628645, 41222210, 55560370, 67257290, 82444420, 103055525, 111120740, 127788851, 134514580, 138900925, 168143225, 206111050, 255577702, 277801850, 336286450, 412222100, 511155404, 555603700, 638944255, 672572900, 1277888510, 2555777020, 3194721275, 6389442550, 12778885100]

約数ペア:

[(1, 12778885100), (2, 6389442550), (4, 3194721275), (5, 2555777020), (10, 1277888510), (19, 672572900), (20, 638944255), (23, 555603700), (25, 511155404), (31, 412222100), (38, 336286450), (46, 277801850), (50, 255577702), (62, 206111050), (76, 168143225), (92, 138900925), (95, 134514580), (100, 127788851), (115, 111120740), (124, 103055525), (155, 82444420), (190, 67257290), (230, 55560370), (310, 41222210), (380, 33628645), (437, 29242300), (460, 27780185), (475, 26902916), (575, 22224148), (589, 21695900), (620, 20611105), (713, 17922700), (775, 16488884), (874, 14621150), (950, 13451458), (1150, 11112074), (1178, 10847950), (1426, 8961350), (1550, 8244442), (1748, 7310575), (1900, 6725729), (2185, 5848460), (2300, 5556037), (2356, 5423975), (2852, 4480675), (2945, 4339180), (3100, 4122221), (3565, 3584540), (4370, 2924230), (5890, 2169590), (7130, 1792270), (8740, 1462115), (9433, 1354700), (10925, 1169692), (11780, 1084795), (13547, 943300), (14260, 896135), (14725, 867836), (17825, 716908), (18866, 677350), (21850, 584846), (27094, 471650), (29450, 433918), (35650, 358454), (37732, 338675), (43700, 292423), (47165, 270940), (54188, 235825), (58900, 216959), (67735, 188660), (71300, 179227), (94330, 135470)]