21751849040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{493463}}^1$

素因数の和:493524

約数の個数: 80

約数和(自身を含む): 55070582400

約数和(自身を除く): 33318733360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 2204, 2320, 2755, 4408, 5510, 8816, 11020, 22040, 44080, 493463, 986926, 1973852, 2467315, 3947704, 4934630, 7895408, 9375797, 9869260, 14310427, 18751594, 19738520, 28620854, 37503188, 39477040, 46878985, 57241708, 71552135, 75006376, 93757970, 114483416, 143104270, 150012752, 187515940, 228966832, 271898113, 286208540, 375031880, 543796226, 572417080, 750063760, 1087592452, 1144834160, 1359490565, 2175184904, 2718981130, 4350369808, 5437962260, 10875924520, 21751849040]

約数ペア:

[(1, 21751849040), (2, 10875924520), (4, 5437962260), (5, 4350369808), (8, 2718981130), (10, 2175184904), (16, 1359490565), (19, 1144834160), (20, 1087592452), (29, 750063760), (38, 572417080), (40, 543796226), (58, 375031880), (76, 286208540), (80, 271898113), (95, 228966832), (116, 187515940), (145, 150012752), (152, 143104270), (190, 114483416), (232, 93757970), (290, 75006376), (304, 71552135), (380, 57241708), (464, 46878985), (551, 39477040), (580, 37503188), (760, 28620854), (1102, 19738520), (1160, 18751594), (1520, 14310427), (2204, 9869260), (2320, 9375797), (2755, 7895408), (4408, 4934630), (5510, 3947704), (8816, 2467315), (11020, 1973852), (22040, 986926), (44080, 493463)]