201687320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 490708800

約数和(自身を除く): 289021480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 239, 289, 292, 340, 365, 478, 578, 584, 680, 730, 956, 1156, 1195, 1241, 1445, 1460, 1912, 2312, 2390, 2482, 2890, 2920, 4063, 4780, 4964, 5780, 6205, 8126, 9560, 9928, 11560, 12410, 16252, 17447, 20315, 21097, 24820, 32504, 34894, 40630, 42194, 49640, 69071, 69788, 81260, 84388, 87235, 105485, 138142, 139576, 162520, 168776, 174470, 210970, 276284, 296599, 345355, 348940, 421940, 552568, 593198, 690710, 697880, 843880, 1186396, 1381420, 1482995, 2372792, 2762840, 2965990, 5042183, 5931980, 10084366, 11863960, 20168732, 25210915, 40337464, 50421830, 100843660, 201687320]

約数ペア:

[(1, 201687320), (2, 100843660), (4, 50421830), (5, 40337464), (8, 25210915), (10, 20168732), (17, 11863960), (20, 10084366), (34, 5931980), (40, 5042183), (68, 2965990), (73, 2762840), (85, 2372792), (136, 1482995), (146, 1381420), (170, 1186396), (239, 843880), (289, 697880), (292, 690710), (340, 593198), (365, 552568), (478, 421940), (578, 348940), (584, 345355), (680, 296599), (730, 276284), (956, 210970), (1156, 174470), (1195, 168776), (1241, 162520), (1445, 139576), (1460, 138142), (1912, 105485), (2312, 87235), (2390, 84388), (2482, 81260), (2890, 69788), (2920, 69071), (4063, 49640), (4780, 42194), (4964, 40630), (5780, 34894), (6205, 32504), (8126, 24820), (9560, 21097), (9928, 20315), (11560, 17447), (12410, 16252)]