201664840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 518918400

約数和(自身を除く): 317253560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 43, 52, 58, 65, 86, 104, 116, 130, 145, 172, 215, 232, 260, 290, 311, 344, 377, 430, 520, 559, 580, 622, 754, 860, 1118, 1160, 1244, 1247, 1508, 1555, 1720, 1885, 2236, 2488, 2494, 2795, 3016, 3110, 3770, 4043, 4472, 4988, 5590, 6220, 6235, 7540, 8086, 9019, 9976, 11180, 12440, 12470, 13373, 15080, 16172, 16211, 18038, 20215, 22360, 24940, 26746, 32344, 32422, 36076, 40430, 45095, 49880, 53492, 64844, 66865, 72152, 80860, 81055, 90190, 106984, 117247, 129688, 133730, 161720, 162110, 173849, 180380, 234494, 267460, 324220, 347698, 360760, 387817, 468988, 534920, 586235, 648440, 695396, 775634, 869245, 937976, 1172470, 1390792, 1551268, 1738490, 1939085, 2344940, 3102536, 3476980, 3878170, 4689880, 5041621, 6953960, 7756340, 10083242, 15512680, 20166484, 25208105, 40332968, 50416210, 100832420, 201664840]

約数ペア:

[(1, 201664840), (2, 100832420), (4, 50416210), (5, 40332968), (8, 25208105), (10, 20166484), (13, 15512680), (20, 10083242), (26, 7756340), (29, 6953960), (40, 5041621), (43, 4689880), (52, 3878170), (58, 3476980), (65, 3102536), (86, 2344940), (104, 1939085), (116, 1738490), (130, 1551268), (145, 1390792), (172, 1172470), (215, 937976), (232, 869245), (260, 775634), (290, 695396), (311, 648440), (344, 586235), (377, 534920), (430, 468988), (520, 387817), (559, 360760), (580, 347698), (622, 324220), (754, 267460), (860, 234494), (1118, 180380), (1160, 173849), (1244, 162110), (1247, 161720), (1508, 133730), (1555, 129688), (1720, 117247), (1885, 106984), (2236, 90190), (2488, 81055), (2494, 80860), (2795, 72152), (3016, 66865), (3110, 64844), (3770, 53492), (4043, 49880), (4472, 45095), (4988, 40430), (5590, 36076), (6220, 32422), (6235, 32344), (7540, 26746), (8086, 24940), (9019, 22360), (9976, 20215), (11180, 18038), (12440, 16211), (12470, 16172), (13373, 15080)]