210441640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 318326360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 67, 68, 85, 124, 134, 136, 149, 155, 170, 248, 268, 298, 310, 335, 340, 527, 536, 596, 620, 670, 680, 745, 1054, 1139, 1192, 1240, 1340, 1490, 2077, 2108, 2278, 2533, 2635, 2680, 2980, 4154, 4216, 4556, 4619, 5066, 5270, 5695, 5960, 8308, 9112, 9238, 9983, 10132, 10385, 10540, 11390, 12665, 16616, 18476, 19966, 20264, 20770, 21080, 22780, 23095, 25330, 35309, 36952, 39932, 41540, 45560, 46190, 49915, 50660, 70618, 78523, 79864, 83080, 92380, 99830, 101320, 141236, 157046, 169711, 176545, 184760, 199660, 282472, 309473, 314092, 339422, 353090, 392615, 399320, 618946, 628184, 678844, 706180, 785230, 848555, 1237892, 1357688, 1412360, 1547365, 1570460, 1697110, 2475784, 3094730, 3140920, 3394220, 5261041, 6189460, 6788440, 10522082, 12378920, 21044164, 26305205, 42088328, 52610410, 105220820, 210441640]

約数ペア:

[(1, 210441640), (2, 105220820), (4, 52610410), (5, 42088328), (8, 26305205), (10, 21044164), (17, 12378920), (20, 10522082), (31, 6788440), (34, 6189460), (40, 5261041), (62, 3394220), (67, 3140920), (68, 3094730), (85, 2475784), (124, 1697110), (134, 1570460), (136, 1547365), (149, 1412360), (155, 1357688), (170, 1237892), (248, 848555), (268, 785230), (298, 706180), (310, 678844), (335, 628184), (340, 618946), (527, 399320), (536, 392615), (596, 353090), (620, 339422), (670, 314092), (680, 309473), (745, 282472), (1054, 199660), (1139, 184760), (1192, 176545), (1240, 169711), (1340, 157046), (1490, 141236), (2077, 101320), (2108, 99830), (2278, 92380), (2533, 83080), (2635, 79864), (2680, 78523), (2980, 70618), (4154, 50660), (4216, 49915), (4556, 46190), (4619, 45560), (5066, 41540), (5270, 39932), (5695, 36952), (5960, 35309), (8308, 25330), (9112, 23095), (9238, 22780), (9983, 21080), (10132, 20770), (10385, 20264), (10540, 19966), (11390, 18476), (12665, 16616)]